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four alternatives are given in each part of this
Question:
Four alternatives are given in each part of this question. Choose the correct alternative and write it in your answer-book.
Number of moles in 180 g of water is:
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To calculate moles, divide the given mass of the substance by its molar mass.
UP Board XII - 2024
UP Board XII
Updated On:
Jan 5, 2026
180
1000
100
10
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The Correct Option is
D
Solution and Explanation
Moles of water can be calculated using: \[ \text{Moles} = \frac{\text{Mass}}{\text{Molar mass}} = \frac{180}{18} = 10. \]
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