Solution-Solution of methylamine, 1. Calculate the pH of a

1. Calculate the pH of a 0.300 M solution of lactic acid, for which the Kavalue is 1.40 x 10-4.

2. Calculate the pH of a 0.30 M solution of methylamine(CH3NH2, Kb = 4.4 x 10-4.)

3. Give the conjugate base of HS. Write it ignoring super and subscripts (so, HPO42- would be HPO42-

4. What is the pH of a 0.261 M solution of RbOH?

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