A sample of hydrogen gas is collected and it P is observed that it ...

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A sample of hydrogen gas is collected and it
P is observed that it contains only hydrogen and

W deuterium atoms in the atomic ratio \( 6000: 1 \). The number of neutrons in \( 3.0 \mathrm{~g} \) of such a sample should be nearly
(a) 0.0005
(b) \( 3.01 \times 10^{20} \)
(c) \( 1.80 \times 10^{24} \)
(d) 1.0
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