46.29 g of KOH is dissolved in 250. mL of water. A. If I add 500. mL of pure water to this 250. mL solution, what is the new concentration expressed in molar (M)? B. If, instead, I took the 250. mL solution and evaporated the water until the solution had a volume of 150. mL, what would be the concentration of this new solution expressed in molar (M)?

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A:

Q: A 0.800 ?0.800 m aqueous solution of KBrKBr has a total mass of 63.0 g.63.0 g. What masses of solute…

A: Given Molarity = 0.800m Given Mass of KBr = 63 g

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Q: A 0.650 ?0.650 m aqueous solution of KBrKBr has a total mass of 86.0 g.86.0 g. What masses of solute…

A: we have to calculate the mass of KBr and H2O

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A: The percent by mass of AgNO3 in the solution is calculated in step two.

Q: In the laboratory, a student dilutes 23.8 mL of a 8.98 M hydrochloric acid solution to a total…

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Q: A chemistry student must write down in her lab notebook the concentration of a solution of sodium…

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