Solved: CHEMISTRY Question for NEET

NEET CHEMISTRYEasy

The molar mass of a compound (X), whose $2.6 \text{ mol}$ weighs $312 \text{ g}$ , is:

312 g mol⁻¹

120 g mol⁻¹

60 g mol⁻¹

811.2 g mol⁻¹

Identify the Formula: The relationship between moles ( $n$ ), mass ( $m$ ), and molar mass ( $M$ ) is given by: $n = \frac{m}{M} \implies M = \frac{m}{n}$ (Reference: Class 12 Chemistry, Unit 1, Example 1.2 uses this relationship for calculating moles).
Substitute Values:

Perform Calculation: $M = \frac{312 \text{ g}}{2.6 \text{ mol}}$ $M = \frac{3120}{26} \text{ g mol}^{-1}$ $M = 120 \text{ g mol}^{-1}$

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