Chemistry, asked by anuj137143, 1 month ago

The mass composition of universe may be 90% H and He. The molecular of universe should be?

Answers

Answered by sujal1247

2

Answer:

Average M.M of universe

= 0.90×2+0.10×4 ÷ 0.90+0.10

= 1.80+0.40 ÷ 1

=2.20

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