MHT CET Chemistry question
1.0 g of hydrogen contains atoms. The atomic weight of helium is 4. If follows that the number of atoms in 1 g of He is:
Answer: (A)
Solution
1 g of H is 1 mole of atoms (6 × 10²³), and 1 g of He is 1/4 mole, so it contains (1/4) × 6 ×
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