Chapter 9 Atomic Foundations of Matter - Part 4

How many moles are present in 52 g of Helium gas? [Atomic mass of He = 4 u]

Type: MCQ • Marks: 1
How many moles are present in 52 g of Helium gas? [Atomic mass of He = 4 u]
Options
A. 26 moles
B. 10 moles
C. 13 moles
D. 52 moles
Explanation
Moles = Given mass / Molar mass = 52 g / 4 g/mol = 13 moles.
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Class 9th Science (MCQ)

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