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A

Anonymous

Oct 30, 2024

The density of liquid benzene, C6H6, is 0.879 g/cm3 at 15 °C. How many moles are there in 73.0 mL of benzene at 15 °C?

I am seeking assistance with a chemistry problem. The density of liquid benzene (C6H6) is 0.879 g/cm³ at 15 °C. I need to determine how many moles are present in 73.0 mL of benzene at this temperature. Could someone guide me through the steps to solve this problem? Thank you!

1 Answers

A
Anonymous

Dec 08, 2024

(73.0 ml)(0.879 g/ml) = 64.167 g

Find the molar mass of C6H6 from the periodic table: 78.1134 g/mol.

(64.167 g)(mol / 78.1134 g) = 0.8215 mol

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