1) How many grams of solid potassium cyanide should be added to 1.50 L of a 0.236...

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Chemistry

1) How many grams of solid potassiumcyanide should be added to 1.50 Lof a 0.236 M hydrocyanic acidsolution to prepare a buffer with a pH of 10.287?

grams potassium cyanide =______g.

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2) The volume of water needed to dissolve0.0661 grams of lead fluoride is_____ L.

Assume no volume change upon addition of the solid.

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