The number of water molecules in $1 \, L$ of water is = ............
- A$18$
- B$18 \times 1000$
- C$6.022 \times 10^{23}$
- D$55.55 \times 6.022 \times 10^{23}$
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If $24 \times 10^{23}$ molecules are removed from $50 \ g$ of hydrogen gas $(H_2)$,how many moles of hydrogen remain?
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View SolutionAssertion $(A)$: Equal moles of different substances contain the same number of constituent particles.
Reason $(R)$: Equal weights of different substances contain the same number of constituent particles.
The correct answer is
Reason $(R)$: Equal weights of different substances contain the same number of constituent particles.
The correct answer is
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