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2(10 points) A solution is prepared by dissolving 25.00 grams o f ba rium nitrate, Ba(NO) in sufficient water to make 500.0 mL of solution. A 25.0 mL sample of this is diluted with water to a final volume of 200.0 mL. What is the molarity of the final solution? (Ba(NO>-398.6 g/mol) 3. (10 points) Consider a solution prepared by mixing 349 grams of methanol, CHOH CHOH-320 g/mol) and 750 grams water. The final volume of the solution is 1105 mL. (a) Calculate the molarity of the solution. (b) Calculate the density of the solution.
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Answer #1

i have taken ba(no3)2 as 261.331 g/mol , because it is not 398 g/molgt re 8 im) - o 2 3131ッ elufan o 99

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