Author Question: What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L-1 ... (Read 70 times)

geoffrey · **on:** Nov 18, 2019

Question 1

What is the pH of a solution prepared by mixing 100.00 mL of 0.020 mol L-1 Ca(OH)2 with 50.00 mL of 0.300 mol L-1 NaOH? Assume that the volumes are additive.
◦ 13.58
◦ 13.05
◦ 13.10
◦ 13.28

Question 2

What is the hydronium ion concentration in a solution prepared by mixing 50.00 mL of 0.10 mol L-1 HCN with 50.00 mL of

NaCN? Assume that the volumes of the solutions are additive and that Ka =

◦ 7.0 × 10-6 mol L-1
◦ 1.6 × 10-9 mol L-1
◦ 4.9 × 10-10 mol L-1
◦ 1.5 × 10-10 mol L-1

cascooper22 · **Reply #1 on:** Nov 18, 2019

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