Question

0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution.

Answer 1

Answer:

0.0188 mol

Explanation:

Answer 2

0.0047 M is the molarity of the NaCl solution.

What are moles?

A mole is defined as 6.02214076 × 10^{23} of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

0.450 moles of NaCl are dissolved in 95.0 mL of water

$Molality = \frac{Moles \;solute}{Volume \;of \;solution \;in \;litre}$

$Molality = \frac{0.450}{95.0 mL}$

Molality = 0.004736842105 M = 0.0047 M

Hence, 0.0047 M is the molarity of the NaCl solution.

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