How many milliliters of 0.400 M NaOH are required to completely neutralize 20.0 mL of 0.200 M HCl?
A)50.0 mL
B)40.0 mL
C)0.100 mL
D)20.0 mL
E)10.0 mL

Question

Quizplus · Accepted Answer

The reaction between NaOH and HCl is a 1:1 molar ratio. Using the formula M1V1 = M2V2, where M1 and V1 are the molarity and volume of HCl, and M2 and V2 are the molarity and volume of NaOH, we find V2 = (0.200 M * 20.0 mL) / 0.400 M = 10.0 mL.

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