Question

how many hydrogen atoms in 30g of ethane
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Answer 1

Answer:

2 moles, 60 amu(atomic mass unit )

• One mole of ethane has 6 atoms of hydrogen and one mole of ethane has mass 30 amu.

• Therefore 60 amu of ethane means 2 moles. This means 6×2=12 atoms of hydrogen.

Answer 2

Answer:

6 multiply 2 =12 Atoms of hydrogen