4. Solve problems :
A. What is the ratio of molecules in 1 mole
of NH, and 1 mole of HNOZ.
(Ans. : 1:1)
B. Calculate number of moles of hydrogen
in 0.448 litre of hydrogen gas at STP
(Ans. : 0.02 mol)
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Answer:
1-The ratio of molecules in 1 mole of NH3 and 1 mole of HNO3 is 1:1. Explanation: Mole is a SI unit which we use to measure the amount of the chemical compounds.
2-Number of moles of hydrogen in 0.448litre of hydrogen gas at STP is calculated as 0.02 moles.
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