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pantera1 [17]
4 years ago
11

Hydrogen and helium in the universe were formed by which of these phenomena?

Chemistry
1 answer:
baherus [9]4 years ago
5 0
I think the answer is a
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What mass of silver ag which has an atomic mass of 107.87 amu contains the same number of atoms contained in 10.0g of boron b wh
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To contain the same number of atoms also mean to contain the same number of moles. So let us say that X is the mass of Silver Ag required, so that:

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