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Sagot :
Answer:
2.67M
Explanation:
Given: volume of solution = 750.0 mL = 0.750 L Find: molarity
mass of solute = 117 g NaCl
= 58.4428 g/mol (Periodic Table)
Plan: Find the number of moles of solute from the molar mass, then calculate molarity.
Step 1: Find moles of NaCl.
Step 2: Calculate molarity.
Answer: 2.67 M
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