Question

A 20.0 mL solution of NaOH is neutralized with 37.0 mL of 0.200 M HBr. What is the concentration of the original NaOH solution?

A 15.0 mL solution of Sr(OH)₂ is neutralized with 16.7 mL of 0.350 M HCl. What is the concentration of the original Sr(OH)₂ solution?

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