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NEET Chemistry Concentration terms MCQ Question

Type: MCQ-numerical-Medium-Class 12

Calculate molarity of 63% w/w HNO₃ solution if density is 1.4 g/mL.

A

14 M

B

12 M

C

10 M

D

8 M

Correct Answer

Option A

Detailed Explanation

Molarity is calculated using the formula: Molarity = (density × percentage × 10) / molar mass. For HNO₃, molar mass is 63 g/mol. Thus, M = (1.4 × 63 × 10) / 63 = 14 M.

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