Cu3(PO4)2
3(GMW of Cu)+2(GMW of P)+8(GMW of O)
3(63.546)+2(30.973)+8(15.999)
=380.576
63.546 is the gram atomic mass of copper.
The relative atomic mass of copper is approximately 63.55. To calculate the relative formula mass of copper, you sum the atomic masses of its atoms, which in this case would just be the atomic mass of copper. Therefore, the relative formula mass of copper would be 63.55.
The gram formula for potassium sulfite (K2SO3) is 158.27 g/mol.
The formula of sodium fluoride is NaF; its gram formula mass is 41.9882.
H2O's molar mass is 18 g/mol.
The gram formula mass of sodium (Na) is approximately 23 grams per mole.
The gram formula mass of acetic acid (CH3COOH) is approximately 60.05 g/mol.
The mass of a mole of an ionic compound.
To determine the molecular formula from the empirical formula and gram formula mass, first calculate the empirical formula mass of C4H9 (4 carbons + 9 hydrogens). Then, divide the gram formula mass by the empirical formula mass to find the ratio. Finally, multiply the subscripts in the empirical formula by this ratio to get the molecular formula, which in this case is C8H18.
The gram-formula mass of a compound is the sum of the atomic masses of all the atoms in a formula unit of the compound. For NO2, the gram-formula mass is calculated by adding the atomic mass of nitrogen (N) and two times the atomic mass of oxygen (O).
when atomic mass of an element expressed in gram atom is called gram atom mass . and formula is number of gram atom=given mass (in gram) by atomic mass ( in gram )
To find the gram molecular mass of the compound, you can use the formula: mass = moles × gram molecular mass. Given that 5 moles of the compound have a mass of 100 grams, you can rearrange the formula to find the gram molecular mass: gram molecular mass = mass / moles. Thus, gram molecular mass = 100 grams / 5 moles = 20 grams per mole.