mol of a solute is dissolved to make L of solution. What is the molarity (in mol/L)?
Answer and explanation
Correct answer: B. 1
- Step 1: Calculate solution molarity using the formula , where is solute moles and is total volume in liters.
- Step 2: Given in of solution: .
- Step 3: Dividing gives the molarity .
Answer
1.
Why not the others: 10 adds moles and volume (); 2 adds rather than subtracts the constant term in the final step; 25 multiplies moles by volume ().
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