A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the

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Question: A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the molarity of the solution? (Molar mass of NaCl = 58.5 g/mol)

Options:

1 M
2 M
0.5 M
0.1 M

Correct Answer: 1 M

Solution:

Moles of NaCl = 58.5 g / 58.5 g/mol = 1 mole. Molarity = moles of solute / liters of solution = 1 mole / 1 L = 1 M.

A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the

Practice Questions

A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the molarity of the solution? (Molar mass of NaCl = 58.5 g/mol)

1 M
2 M
0.5 M
0.1 M

Questions & Step-by-Step Solutions

A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the molarity of the solution? (Molar mass of NaCl = 58.5 g/mol)

Step 1: Identify the mass of NaCl used, which is 58.5 grams.
Step 2: Identify the molar mass of NaCl, which is given as 58.5 g/mol.
Step 3: Calculate the number of moles of NaCl by dividing the mass by the molar mass: 58.5 g / 58.5 g/mol = 1 mole.
Step 4: Identify the volume of the solution, which is 1 liter.
Step 5: Calculate the molarity of the solution using the formula: Molarity = moles of solute / liters of solution.
Step 6: Substitute the values into the formula: Molarity = 1 mole / 1 L = 1 M.

Molarity – Molarity is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per liter of solution.
Moles Calculation – Calculating moles involves dividing the mass of the solute by its molar mass.

A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the

What’s inside this PDF?

A solution is prepared by dissolving 58.5 g of NaCl in 1 L of water. What is the

Practice Questions

Questions & Step-by-Step Solutions

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