Chemistry, asked by Anonymous, 1 year ago

What is the mass of 6.022 x 10*23 atoms of He?

2)0.24 mol of oxygen gas?

Answers

Answered by Incredible29
2
1) 4 g of He
2) 1 mol of O2 weighs 16 g
so 0.24 mol will weigh 3.24 g

priyanshu2019: its 2 g
Anonymous: But you wrote 4
priyanshu2019: sorry Sorry it's 4 g
Anonymous: Oh
Incredible29: yeah its 4
Anonymous: are you sure can you explain how you came to know that it's 4
Anonymous: please explain bhai help kar do
priyanshu2019: no. of moles is x/4=1 therefore x=4g
Anonymous: Thanks
priyanshu2019: welcome
Answered by priyanshu2019
1
The mass of He Atom is 2 g
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