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Chapter 7: Problem 32

How many grams are in 2.7 \(\mathrm{mol}\) of table salt, NaCl (molar mass of \(\mathrm{NaCl}=\) 58.44 \(\mathrm{g} / \mathrm{mol} ) ?\)

Short Answer

Expert verified
The mass of 2.7 mol of NaCl is 157.788 grams.

Step by step solution

01

Identify Given Values

The problem provides the number of moles of NaCl, which is 2.7 mol, and the molar mass of NaCl, which is 58.44 g/mol.
02

Apply the Mole-Mass Relationship

The relationship between mass, moles, and molar mass can be expressed as the equation: mass = moles x molar mass. This can be used to find the mass of the NaCl.
03

Calculate the Mass

Multiplying the number of moles (2.7 mol) by the molar mass (58.44 g/mol) will give the mass of NaCl. The units of mole will cancel out, leaving the mass in grams.
04

Final Calculation

The final calculation will be: mass = 2.7 mol x 58.44 g/mol. This gives a mass of 157.788 g.

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