20.0 mL of nitric acid (HNO3) solution is neutralized with 30.0 mL 0.10M of potassium hydroxide...

20.0 mL of nitric acid (HNO3) solution is neutralized with 30.0 mL 0.10M of potassium hydroxide (KOH) solution. what is the concentration of nitric acid solution? The answer is 0.67 M but how do you get that?

Expert Solution

KOH + HNO3 -------> KNO3 + H2O

1 mole 1 mole

HNO3 KOH

M1 = M2 = 0.1M

V1 = 20ml V2 = 30ml

n1 = 1 n2 = 1

M1V1/n1 = M2V2/n2

M1 = M2V2n1/V1n2

= 0.1*30*1/20*1 = 0.15M >>>> answer

queen_honey_blossom answered 10 months ago

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