1. Which contains more number of molecules ?
1) 1 mole of carbon dioxide
3) 33.6 litres of oxygen at STP
2) 4g of hydrogen
4) 6g of helium
Answers
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2
Explanation:
6g of helium . please mark brain list
Answered by
2
Answer:
2 is ur right answer
please mark me as brainliest
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