Elements and Compounds
Molecular Mass

What is the Relative Molecular Mass of ammonium sulphate?

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The formula of ammonium sulphate is (NH4)2SO4, showing that each formula mass contains one sulphur atom. The formula mass of ammonium sulphate is 132.13, and the gram atomic mass of sulphur is 32.06. Therefore, the percent by mass of sulphur in ammonium sulphate is 100(32.06/132.13) or 24.26, to the justified number of significant digits.

The relative molecular mass of hydrogen gas is 2.

the relative molecular mass or molecular weight of a compound is the mass of a molecule of the compound relative to the mass of a carbon atom taken as exactly 12.

The ammonium ion has one nitrogen atom and four hydrogen atoms. Their atomic masses are 14 and 1 respectively. Therefore the RMM of the ammonium ion s 14+4x1=18.

Ammonia is 17 but the ammonium ion is 18

The chemical formula of ammonium nitrate is NH4NO3.The molecular mass is 80,052 g.

Ammonium sulphate, (NH4)2SO4, is not a molecular compound. It is a an ionic compound with a formula unit. The mass of the formula unit is determined by doing the following: N: 2 x 14.0067g = 28.0134g H: 8 x 1.00974g = 8.06352g S: 1 x 32.065g = 32.065g O: 4 x 15.9994g = 63.9976g _______________________ Total mass 132.140g The mass of one formula unit of is 132.140g.

Relative molecular mass is obtained.It is about 17

It has a relative molecular mass of 100

The chemical formula of ammonium nitrite is NH4NO2; the molecular mass is 64,06 grams.

The molecular mass of a compound is the sum of the chemical elements weights contained in the molecule.

The molecular formula is (NH4)2SO4.See the Related Question link to the left for how to find the molecular weight using the molecular formula.

As they are isobars, they have the same relative molecular mass.

It is the mass of a given molecule in relation to 1/12th the mass of a C-12 atom.

Moles = Mass/ Relative Molecular Mass Aluminum forms Al2 compounds, so the relative molecular mass is 2 * 13 = 26. 856/26 = 32.9 (3sf)

The RMM of sulfate ion is 96u. In sulfuric acid, two protons are attached to a sulfate ion. Hence its relative molecular mass is 96+2=98.

The atomic mass of calcium is 40. The molecular mass of the nitrate ion is 62. Therefor the RMM of calcium nitrate is 40+62x2=164.

Relative molecular mass is obtained by summing up the atomic masses of atoms in the formula. The gram molecular mass denotes the mass of a mole of the substance in grams. Both of them are same in number.

The relative mass of sodium carbonate is 106. The term decahydrate refers to 10 water molecules attached which has relative mass of 180. Therefore the relative mass of compound is 286.

The rmm of phosphoric acid is 97.976898.

Mr is the symbol for the relative molecular mass.

Ammonium hydroxide will diffuse faster than hydrochloric acid, reason being ammonium hydroxide has a lighter molecular weight and the rate of diffusion is usually inversely proportional to the square root of the molecular mass of the gas.

The atomic mass of Mg is 24. The atomic mass of fluorine is 19. Therefore the relative mass of the substance is 62.

17.72%, please see the molecular weight calculator in related links

Formula of water = H2O Relative atomic mass of hydrogen = 1 Relative atomic mass of oxygen = 16 Relative molecular mass of H2O = 1 + 1 + 16 = 18 Moles = mass of substance/relative molecular mass Moles = 100/18 Moles of water in 100g = 5 and 4/9 moles or approximately 5.56 moles

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