One mole of \( \mathrm{CH}_{4} \) contains P (A) \( 4.0 \mathrm{~g}...

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One mole of \( \mathrm{CH}_{4} \) contains
P
(A) \( 4.0 \mathrm{~g} \) atoms of hydrogen
W
(B) \( 3.0 \mathrm{~g} \) atoms of carbon
(C) \( 6.02 \times 10^{23} \) atoms of hydrogen
(D) \( 1.81 \times 10^{23} \) molecules of \( \mathrm{CH}_{4} \)
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