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What is the pH of a solution made by adding (mixing) 40.0 mL of 0.10M NaOH and 10.0 mL of 0.45M HCl?

PLEASE help and tell me how it is done by tonight. >_<

2007-04-23 16:07:51 · 1 answers · asked by veryconfused 2 in Science & Mathematics ➔ Chemistry

1 answers

4 mmol of NaOH and 4.5 mmol of HCl

Thus 0.5mmol of HCl is left

molarity = 0.5/50 = 10^-2

pH = 2

2007-04-23 20:08:32 · answer #1 · answered by ag_iitkgp 7 · 0⤊ 0⤋

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