how many grams of sodium sulfate will be formed if you start with 200 grams of sodium hydroxide and you have an excess of sufuric acid

Question

2NaOH + H2SO4 -> 2H2O + Na2SO4

Answer 1

1 mole NaOH = 39.997 grams

 

1 mole Na₂SO₄ = 142.042 grams

 

For every 2 moles of NaOH reacted, 1 mole of Na₂SO₄ is produced.

 

 

200 grams NaOH x (1 mole NaOH / 39.997 g NaOH) x (1 mole Na₂SO₄ / 2 moles NaOH) x (142.042 g Na₂SO₄ / 1 mole Na₂SO₄) = 355 grams.