Given that 25.0 mL of 0.500 M AgNO₃ reacts completely with 34.5 mL of aqueous k₂CrO₄,what is the molarity of the potassium chromate solution? AgNO₃(aq)+ k₂CrO₄(aq)→ Ag2CrO₄(s)+ KNO₃(aq)

Question

Quizplus · Accepted Answer

The balanced equation shows that 2 moles of AgNO₃ react with 1 mole of K₂CrO₄. Calculate moles of AgNO₃: 0.025 L * 0.500 M = 0.0125 moles. Therefore, moles of K₂CrO₄ = 0.0125 / 2 = 0.00625 moles. Molarity of K₂CrO₄ = 0.00625 moles / 0.0345 L = 0.181 M.

Given That 25