4 g of hydrogen gas contains the number of molecules * 〖6.022Ⅹ10〗^23 2 Ⅹ〖6.022Ⅹ10〗^23 4Ⅹ 6.022Ⅹ10〗^23 3.011Ⅹ10〗^23
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ANSWER IS = 458,734,885,611.71
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