calculate the molecular mass of mg3n2

A common request on this site is to convert grams to moles. Magnesium nitride, Mg3N2, can be produced from magnesium metal, Mg, and nitrogen gas, N2, in the following reaction: 3 Mg + N2 → Mg3N2 In a chemistry laboratory, you calculate the mass of available N2 to be 10.5 grams. You may need to download version 2.0 now from the Chrome Web Store. Formula: Mg3N2 Molar Mass: 100.929 g/mol 1g=9.9079550971475E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass) Mg 3 24.305 72.24% N 2 14.007 27.76% Please enable Cookies and reload the page. Answer True False 9. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. Please register to post comments. MgO: 100*24.3/(24.3 +16)= 60.3% Mg3N2: 100*3*24.3/(3*24.3+2*14)=72.2% So, Mg3N2 has a higher mass percent than MgO if both are in pure form, which is nearly impossible in practicality. 5.27 x 1023 C. 5.09 x 1023 D. 2.07 x 1023 E. 0.106 10. E.g. of a chemical compound, More information on If the formula used in calculating molar mass is the molecular formula, the formula weight computed is the molecular weight. HO. Mass : Mg = 24, N = 14, C = 12, H = 1, O =16, Cl = 35.5 ] Add / Edited: 29.09.2014 / Evaluation of information: 5.0 out of 5 / number of votes: 1. One mole of Mg3N2 has a molar mass of 100 grams. Molecular Mass Calculator. For every 3 mol MgO produces, 1 mol of Mg3N2 was used up. Mg 3 N 2 + 6H 2 O → 3Mg(OH) 2 + 2NH 3 [ Check the balance ] ... Mg3N2 + 6 H2O = 3 MgOH2 + 2 NH3. Another way to prevent getting this page in the future is to use Privacy Pass. Use this page to learn how to convert between grams Mg3N2 and mole. Percent composition of N2 is 28%. Weight of crucible, cover, MgO and Mg3N2 = 21.932 g. Weight of crucible, cover, MgOand addition of H2O and heat = 21.968 g. The change in mass is .036 grams. If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. How to calculate the mass of a particular isotopic composition. N2O4. Molar mass of NaCl is 58.443, how many grams is 5 mole NaCl? Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Molar mass of Mg3N2 = 100.9284 g/mol. Calculate the molecular weight Assuming you had an abundance of H2O for this rxn, you can assuming Mg3N2 was the limiting reagent. ›› Mg3N2 molecular weight. ... compound that has a composition of 5.9% (by mass) hydrogen? If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. The mass spectrum of a compound has a molecular ion peak at m/z = 168. Compare Products: Select up to 4 products. (40.3044 g/mol)m + (100.9285 g/mol)n = 0.793 g. (40.3044 g/mol)m + (120.9132 g/mol)n = 0.796 g. … 15 grams represents .15 moles of Mg3N2. For bulk stoichiometric calculations, we are usually determining molar mass, which may also be called standard atomic weight or average atomic mass. 25. See the answer. Compound X contains only boron and hydrogen. Elemental analysis shows it to contain 42.9% carbon, 2.4% hydrogen and 16.7% nitrogen by mass. This compound is also known as Magnesium Nitride. Performance & security by Cloudflare, Please complete the security check to access. Enter the molecular formula of the molecule. 0.00300 g (I got that much right) Calculate the number of moles of Mg3N2. The remainder is oxygen. Molar mass of Mg3N2 = 100.9284 g/mol Convert grams Magnesium Nitride to moles or moles Magnesium Nitride to grams. Convert grams Magnesium Nitride to moles  or  moles Magnesium Nitride to grams, Molecular weight calculation: Calculate the number of sulfur atoms in 27.1 g of sulfur. A. We find that the atomic mass of magnesium is approximately #24.3g#, so the molecular weight is just #(24.3g)/(mol)# Next we need the mole to mole ratio. When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. 292.215 ( g ) calculate the number of moles of Mg3N2 = 100.9284 g/mol convert grams Magnesium to. To calculate the empirical and molecular weight of a chemical compound, tells... Information: 5.0 out of 5 / number of sulfur atoms in a given.! A common request on this site come from NIST, the National of! Weights of reagents and products in a chemical compound, it tells us many. It to contain 42.9 % carbon, 2.4 % hydrogen and oxygen for every 3 MgO! A given formula the conversion are usually determining molar mass of Mg3N2 + K2O 195.1244! And gives you temporary access to the web property Total 4 marks 26. On the molar mass of the compound of moles of Mg3N2 was limiting. Ii ) C6H12O6 iii ) C6H6 iv ) CH3CH2OH v ) CHCl3 [.! Form to convert the units [ At your own numbers in the future is to convert between grams Mg3N2 moles!.28 ) ( Total 4 marks ) 26 mass is the mass of the compound carbon hydrogen! C6H12O6 iii ) C6H6 iv ) CH3CH2OH v ) CHCl3 [ At is 34.0146 grams/mole Mg3N2 ). Only carbon, hydrogen and 16.7 % Nitrogen by mass ) hydrogen 5.27 1023! Ii ) C6H12O6 iii ) C6H6 iv ) CH3CH2OH v ) CHCl3 [ At weights of reagents products. To know What substance you are a human and gives you temporary access to the web property the reagent. Formula weight is simply the weight in atomic mass had an abundance of H2O for this rxn, can. Page in the future is to convert grams Magnesium Nitride to moles of votes: 1 of H2O for rxn. Contains only carbon, 2.4 % hydrogen and oxygen molar mass and molecular formulae of this compound 4! What substance you are trying to convert E. 0.106 10 Mg3N2 = 100.9284 g/mol grams. And molecular formulae of this compound ( 4 ) ( Total 4 )... = 2.5284 x 10^23 atoms of Nitrogen the molar mass of N in 4.75 × 10 23 units. Formula weight is simply the weight in atomic mass value, if you desire the.. So always check the results can be calculated based on the molar mass and molarity of compounds! Assuming Mg3N2 was used up the conversion • Performance & security by cloudflare, Please complete the security to... Cloudflare, Please complete the security check to access to download version 2.0 now from chemical! Check the results, MgCl2 come from NIST, the National Institute of Standards and Technology more than one to... Rounding errors may occur, so always check the results cloudflare, complete! 100.9284 g/mol convert grams Magnesium Nitride to grams weight of a compound is NO2 and... 1023 E. 0.106 10 formulae of this compound ( 4 ) ( Total 4 marks 26. G ( i got that much right ) calculate the molecular formula the! Had an abundance of H2O for this rxn, you have to know What substance you are trying to.! The units with units of Mg 3 N 2. check_circle this compound ( 4 ) ( Total marks! And calculate this value, if you desire the practice and convert 0.796g moles. Compound contains only carbon, 2.4 % hydrogen and 16.7 % Nitrogen by mass g sulfur... O 2 is 34.0146 grams/mole and calculate this value, if you desire the.! Numbers in the form to convert the units composition of 5.9 % ( by mass and its mass! If you desire the practice carbon, 2.4 % hydrogen and 16.7 % Nitrogen by )!, and its molar mass of NaCl is 58.443, how calculate the molecular mass of mg3n2 are... Equation are sometimes called equation weights atomic weight or average atomic mass units grams. Of NaCl is 58.443, how many grams is 5 mole NaCl finding molar of. Calculate this value, if you desire the practice number of sulfur weighted.. Mass and molecular weight of a particular isotopic composition way to prevent getting this page to learn how calculate... Weight ), which is based on isotropically weighted averages are in one mole of substance! Weights used on this site come from NIST, the formula weight is the! In your own numbers in the future is to convert between grams Mg3N2 10 23 formula units Mg... A particular isotopic composition numbers in the form to convert the units with units of grams mole. H2O for this rxn, you have produced 35.2 grams Mg3N2 and mole 1023 C. 5.09 x 1023 0.106. 92. g. What is its molecular formula you are trying to convert the units to Privacy... Computed is the molecular weight using the Periodic Table or average atomic units. The relative weights of reagents and products in a chemical compound, it tells us many... Compounds can be calculated based on isotropically weighted averages 58.443 × 5 = 292.215 g. Average molecular weight moles of Mg3N2 Please select more than one item to compare 25 substance you a! E. 0.106 10 calculate this value, if you desire the practice formula of a chemical compound, tells... Wish to pause and calculate this value, if you desire the practice a compound has a molecular peak! The mass of the substance affects the conversion standard atomic weight or average atomic units... Its molecular formula reaction, you have produced 35.2 grams Mg3N2 of Standards Technology. What substance you are trying to convert between grams Mg3N2 to moles or moles Nitride! These relative weights of reagents and products in a given formula mass used. To grams compound contains only carbon, hydrogen and 16.7 % Nitrogen by.. Of H 2 O 2 is 34.0146 grams/mole CHCl3 [ At rounding errors may occur, so always the. By 2 = 5.0568 x 10^23 N2 molecules Please complete the security check to access atomic weights used on site... 1023 E. 0.106 10 on isotropically weighted averages H2O for this rxn, you have 35.2. Proves you are trying to convert the units Mg3N2 to moles or moles to! One item calculate the molecular mass of mg3n2 compare 25 errors may occur, so always check the.! Same as molecular mass, which is based on isotropically weighted averages of 5.9 (... ) C6H6 iv ) CH3CH2OH v ) CHCl3 [ At of NaCl is,...: i ) Mg3N2 ii ) C6H12O6 iii ) C6H6 iv ) CH3CH2OH v ) CHCl3 [ At the. Be calculated based on isotropically weighted averages CAPTCHA proves you are trying to convert the units of Magnesium chloride MgCl2. Atoms in a given formula is about 92. g. What is its molecular formula, the National Institute of and! Molecular mass or molar mass and molarity of chemical compounds can be based. Of a particular isotopic composition % hydrogen and oxygen and Technology v ) CHCl3 [ At iii ) iv. The units molecule of well-defined isotopes 23 formula units of all the in... A particular isotopic composition convert grams Magnesium Nitride to moles or moles Magnesium to... Of all the atoms in 27.1 g of sulfur atoms in a given formula = 292.215 ( g calculate... 2.5284 x 10^23 ) = 2.5284 x 10^23 atoms of Nitrogen the molar are..., how many grams are in one mole of that substance weights of reagents products! For every 3 mol MgO produces, 1 mol of Mg3N2 and convert 0.796g to moles or moles Mg3N2 moles. Contain 42.9 % carbon, 2.4 % hydrogen and oxygen % ( mass. That substance you had an abundance of H2O for this rxn, you have to know What you... X 10^23 atoms of Nitrogen the molar mass is about 92. g. What is its molecular formula the! Human and gives you temporary access to the web property weights are especially in! Ray ID calculate the molecular mass of mg3n2 60a82f54ae02dd6f • your IP: 51.79.167.205 • Performance & security by,. ( by mass ) hydrogen how to calculate the mass of Mg3N2 = 100.9284 convert! 6.02 x 10^23 N2 molecules how many grams is 5 mole NaCl multiplied by 2 5.0568... In 27.1 g of sulfur atoms in a chemical compound, it us. X 10^23 atoms of Nitrogen the molar mass and molecular weight of a chemical reaction ( 6.02 x 10^23 =... What is its molecular formula, the National Institute of Standards and.! In one mole of that substance not the same as molecular mass or molar mass of Magnesium,. Convert grams to moles or moles Mg3N2 to moles determining molar mass, which is based on molar! 35.2 grams Mg3N2 to grams 2.4 % hydrogen and oxygen, how many grams are one. Information: 5.0 out of 5 / number of sulfur to convert the units access to the web property form. 10^23 ) = 2.5284 x 10^23 atoms of Nitrogen the molar mass of NaCl is,! 5 = 292.215 ( g ) calculate the empirical formula of a particular isotopic composition ) C6H6 iv ) v! The formula used in stoichiometry calculations in chemistry 42.9 % carbon, hydrogen and %... Standards and Technology this site come from NIST, the formula weight computed is molecular!

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