How many moles of solid naf would have to be added
How many moles of solid NaF would have to be added to 1.0 L of 1.90 M HF solution to achieve a buffer of pH = 3.35, assume there is no volume change. (Ka for HF = 7.2 x 10-4).
A) 2.3
B) 4.9
C) 1.6
D) 1.0
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A 3.12 g sample of solute is dissolved in 35.0 g of water. The freezing point of this solution is found to be -1.23°C. What is the molar mass of the solute? For water, Kf = 1.86 degkg/mol.
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