Answer to Question #330649 in General Chemistry for hd1234

Question

how many moles of sodium are needed to react with sulfic acid to produce 3.75 moles of sodium according to the following unbalanced reaction

Na+ H2(SO4)> Na2 (SO4)+H2

Answer 1

2Na+ H2(SO4) ---> Na2(SO4)+H2

The mole ratio of Na to Na₂SO₄ is 2 : 1.

So, moles of Na₂SO₄ is 3.75 * 2 = 7.5 mol