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27-08-2018
Chemistry

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A sample of glucose, CeH120e, contains 1.03 x 1025 atoms of carbon. How many atoms of hydrogen does it contain?

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28-08-2018

2.06 × 10^25

The formula for glucose is C6H12O6.

One molecule of glucose contains 6 C atoms and 12 H atoms, so the ratio is 12 H atoms/6 C atoms.

No. of H atoms = 1.03 × 10^25 atoms C × (12 atoms H/6 atoms C)

= 2.06 × 10^25 atoms H.

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