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1the aquous solution of sodium bromide has the

1. The aquous solution of sodium bromide has the molality of 2.50m and the molar mass was found 102.9 g/mol then compute the weight percent of sodium bromide?

2. Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?

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