Question

Which one of the following contains 1mole of the stated particles?
A:Cl2 molecule in 35.5 g of cl2 gas.
B: H ion in 1dm3 of 1mol dm-3 aqeous sulphuric solution.
C:electrons in 1g of hydrogen gas.
D:oxygen on 22.4 dm3 of oxygen gas at stp.
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Answer 1

Answer:

A:Cl2 molecule in 35.5 g of cl2 gas.

Answer 2

Answer:

option d) oxygen at standard volume stp condition

Because any gas with 22.4 L (standard volume) at stp has one mole of particles in it.

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