Mole concept and Molar Masses is an important topic in the Chemistry section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.
This article gives you a full set of VITEEE PYQs for Mole concept and Molar Masses with explanations for effective preparation. Practice of VITEEE Chemistry PYQs including Mole concept and Molar Masses questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.
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VITEEE PYQs for Mole concept and Molar Masses with Solutions
1.
What is the molar mass of NaCl?- 58 g/mol
- 60 g/mol
- 62 g/mol
- 56 g/mol
2.
What is the number of moles in 18 g of water (\( \text{H}_2\text{O} \))?- 1 mol
- 0.5 mol
- 2 mol
- 0.25 mol
3.
The number of formula units of calcium fluoride, $CaF _{2}$ present in $146.4\, g$ of $CaF _{2}$ (the molar mass of $CaF _{2}$ is $78.08 \,g / mol$ ) is- $1.129\times10^{24} CaF_{2}$
- $1.146\times10^{24} CaF_{2}$
- $7.808\times10^{24} CaF_{2}$
- $1.877\times10^{24} CaF_{2}$
4.
The number of hydrogen atoms present in $25.6\, g$ of sucrose $\left( C _{12} H _{22} O _{11}\right)$ which has a molar mass of $342.3\, g$ is- $22\times10^{23}$
- $9.91\times10^{23}$
- $11\times10^{23}$
- $44\times10^{23}H $atoms
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