Question

Question 6
А
A
The composition of universe is approximately 90% hydrogen and 10% helium, by weight. The composition
represents that
There are 18 hydrogen atoms in the universe per atom of helium
There are 9 hydrogen atoms in the universe per atom of helium
There is 4.5 g hydrogen in the universe per gram of helium
The average molar mass of universe is 2.20 g per mole​

Answer 1

Answer:

what should we find in this please tell me