Hello, Kitty,

The balanced reaction says that we should expect the moles of Na_{2}SO_{4} to be the same as the moles of the sulfuric acid: Their molar ratio is 1 to 1.

So we should expect 4.94 moles of H_{2}SO_{4} will result in 4.94 moles of Na_{2}SO_{4}. Convert this to grams by multiplying by the molar mass of Na_{2}SO_{4}.

(4.94 moles)*(142 g/mole) = 701 g (to 3 sig figs)

Bob

Robert S.

06/10/21

Kitty C.

Thank you so much!06/10/21