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How much percent of the total mass of the Universe is dihydrogen?

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in Chemistry – Class 11 by (148k points)
How much percent of the total mass of the Universe is dihydrogen?

(a) 60

(b) 17

(c) 65

(d) 70

This question was addressed to me by my college professor while I was bunking the class.

The doubt is from Dihydrogen & H2 topic in portion Hydrogen of Chemistry – Class 11

1 Answer

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Best answer
Right option is (d) 70

The best I can explain: The most abundant element in the universe is dihydrogen, it comprises of 70% of the total mass of the universe. It is the principal element in the Solar atmosphere Jupiter and Saturn almost consists mostly of hydrogen.

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