Question

solve in detail and plz fast

Answer 1

1 g of the compound has .75g of C or .75/12 moles of C = 0.0625 
1 g of the compound has .25g of H or .25/1 moles of H = 0.25 
molar ratio C : H = .0625 : .25 = 1 : 4 
empirical formula is CH4 ..