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What is the molarity of a solution that contains 2.93 g of NaCl dissolved in 0.025 L? 0.0012 M 0.050 M 1.3 M 2.0 M​

Sagot :

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Answer:

2.0 M

Explanation:

Step 1: Given data

  • Mass of NaCl (solute): 2.93 g
  • Volume of the solution: 0.025 L

Step 2: Calculate the moles corresponding to 2.93 g of NaCl

The molar mass of NaCl is 58.44 g/mol.

2.93 g × 1 mol/58.44 g = 0.0501 mol

Step 3: Calculate the molarity of the solution

Molarity is equal to the moles of solute divided by the liters of solution.

M = 0.0501 mol/0.025 L = 2.0 M

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