Answer to Question #226877 in General Chemistry for Chrissy

Question #226877

In which mixture is NaOH the limiting reagent?

A. 0.20mol NaOH + 0.10mol H2SO4

B. 0.10mol NaOH + 0.10mol H2SO4

C. 0.20mol NaOH + 0.10mol HNO3

D. 0.10mol NaOH + 0.10mol HNO3

1
Expert's answer
2021-08-18T04:30:02-0400

Reactions:

2NaOH + H2SO4 → Na2SO4 + 2H2O

For one mole of H2SO4 we need two moles of NaOH.

Option A: equivalent quantities

Option B: NaOH is limiting rectant.

NaOH + HNO3 → NaNO3+ H2O

For one mole of HNO3 we need one mole of NaOH.

Option C: NaOH in excess

Option D: equivalent quantities

Answer: option B


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