Question
Asked Feb 8, 2020
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The concentration of sodium chloride in an aqueous solution that is 2.13 M and that has a density of 1.01 g/mL is ________% by mass.

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Expert Answer

Step 1

The number of moles for a given chemical species refers to the ratio of mass of the species to that of its molar mass. The formula is shown below:

Chemistry homework question answer, step 1, image 1

Step 2

The molarity of the given chemical solution is related to the number of moles of the solute and the volume of the solution (in liters) as follows:

Chemistry homework question answer, step 2, image 1

Step 3

The term density can be defined as the measurement which can be used to compare the amount of the matter present in a given object to its volume. An object having much amount of matter in a certain volume will have higher density. The density of a given object can be calculated from the ratio of i...

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