How many hydrogen atoms are contained in 1 50 g of glucose 6 12 6 ........

General Science (CDS) Chemistry

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How many hydrogen atoms are contained in 1.50 g of glucose (??6??12??6)?

3.01 × 1022

1.20 × 1023

2.40 × 1023

6.02 × 1022

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Explanation:

12 atoms of hydrogen is present in per molecules of glucose. It has a molar mass of 180g/mol. Thus, the number of moles of hydrogen is 12*1.50/180= 0.10 mol. So, when we multiply the numbers of hydrogen atom by the Avogadro constant, 6.02*10^23, we get 6.02*10^22 atoms.