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stira [4]
3 years ago
9

What is 4.07 cm x 2.3cm, rounded to the correct number of significant figures

Chemistry
1 answer:
Tom [10]3 years ago
8 0

Answer: 9.4cm^2

Explanation:

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<span>There are a number of ways to express concentration of a solution. This includes molarity. It is expressed as the number of moles of solute per volume of the solution.  To convert the mass of the solute to moles, we use the molar mass of the substance. We calculate as follows:

MOlarity = 4.725 g ( 1 mol / 58.45 g ) / .5 L = 0.162 mol / L</span>
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