Question

 

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

Answer 1

Answer:

0.450 moles of NaCl are dissolved in 95.0 mL of water. Calculate the molarity of the NaCl solution. 0.0047 M. 0.21 M.

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Answer 2

Answer:

The molarity of the NaCl solution is 4.74 M.

Given:

Moles of NaCl = 0.450 mol

Volume of solution = 95.0 mL = 0.0950 L

Explaination: To calculate the molarity of a solution, we need to know the moles of solute and the volume of the solution in liters.

Molarity = moles of solute / volume of solution in liters

Molarity = 0.450 mol / 0.0950 L = 4.74 M.

Molality (symbol: m) is defined as the number of moles of solute (n) dissolved in exactly 1 kilogram (1000 grams) of solvent. Molality is expressed in units of moles per kilogram (mol/kg).

Molarity (ssymbol M) is defined as the number of moles of solute (n) dissolved in exactly 1 liter of solution. Molarity is expressed in units of moles per liter (mol/L).

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