A Solution Is Prepared by Dissolving 27

question 107

Multiple Choice

A solution is prepared by dissolving 27.7 g of Ca in 375 g of water.The density of the resulting solution is 1.05 g/mL.The concentration of Ca is ________% by mass.

• A)6.88
• B)7.22
• C)0.0722
• D)0.0688
• E)6.24

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Definitions:

Average Rate

The mean value derived from dividing the sum of multiple rates by the number of rates, often used in financial and statistical calculations.

Capital Investment

Capital investment refers to funds invested in a business venture with the expectation of using the capital assets to generate future profits.

Present Value

This refers to the current worth of a future sum of money or stream of cash flows given a specified rate of return.

Future Cash Flows

The estimated amounts of money expected to be received or paid out in the future as a result of business operations or investments.