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If 50 grams of NaCl is dissolved in 1 liter of solution, what is the molarity? (
If 50 grams of NaCl is dissolved in 1 liter of solution, what is the molarity? (Molar mass of NaCl = 58.5 g/mol)
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Q1
If 50 grams of NaCl is dissolved in 1 liter of solution, what is the molarity? (Molar mass of NaCl = 58.5 g/mol)
0.85 M
1.0 M
1.5 M
2.0 M
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Moles of NaCl = 50 g / 58.5 g/mol = 0.854 moles. Molarity = 0.854 moles / 1 L = 0.854 M.
Questions & Step-by-step Solutions
1 item
Q
Q: If 50 grams of NaCl is dissolved in 1 liter of solution, what is the molarity? (Molar mass of NaCl = 58.5 g/mol)
Solution:
Moles of NaCl = 50 g / 58.5 g/mol = 0.854 moles. Molarity = 0.854 moles / 1 L = 0.854 M.
Steps: 7
Show Steps
Step 1: Identify the mass of NaCl you have, which is 50 grams.
Step 2: Find the molar mass of NaCl, which is given as 58.5 g/mol.
Step 3: Calculate the number of moles of NaCl using the formula: Moles = Mass (g) / Molar Mass (g/mol). So, Moles of NaCl = 50 g / 58.5 g/mol.
Step 4: Perform the calculation: 50 divided by 58.5 equals approximately 0.854 moles.
Step 5: Identify the volume of the solution, which is 1 liter.
Step 6: Calculate the molarity using the formula: Molarity (M) = Moles of solute / Volume of solution (L). So, Molarity = 0.854 moles / 1 L.
Step 7: Perform the calculation: 0.854 divided by 1 equals 0.854 M.
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