Question

cuantos moles equivalen 825gr de h3 PO4,
175gr de H2O,
350 gr de CH4,
255gr de Ag NO3,
57.5gr de HCN

Answer 1

1. n = masa / Mm

n (moles) = 825 g/ 98 g/mol = 8.418 mol

2. n = 175 g / 18 g/mol = 9.7222 mol

3. n = 350 g / 16 g/mol = 21.875 mol

4. n = 255 g / 170 g/mol = 1.5 mol

5. n = 5.75 g / 27 g/mol = 0.2129 mol