1. 31.0 mL of 0.210 M NaOH(aq)
Step 1: Calculate initial concentration
Total volume = 21.0 mL + 31.0 mL = 52.0 mL
= 0.0848 M
= 0.1252 M
Calculate the pH of the resulting solution if 21.0 mL of 0.210 M HCl(aq) is added to
1. 31.0 mL of 0.210 M NaOH(aq).
2. 11.0 ml of 0.310 M NaOH(aq).
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What scientific concept do you need to know in order to solve this problem?
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