How many gram atoms of hydrogen are present in 0.04 mole of `CuSO_(4), 5H_(2)O` ?

How many grams atoms of oxygen are present in 1 mole of CaCO_3 ?

In CuSO_(4) · 5H_(2)O

CuSO_(4)*5H_(2)O is a

How many atoms of carbon are present in 0.1 mole of C_12H_22O_11 ?

How many gram molecules of H_(2)SO_(4) , are present in 4.9 g of the acid? (b) How many atoms of hydrogen and oxygen are present in 0-15 mole of water (H_(2)O) ?

How many atoms of oxygen and hydrogen are present in 0.15 mole of water ?

How many moles of Hydrogen atoms are present in 1 mole of C_(2)H_(6) ?