the number of molecules in 100ml of each of oxygen, ammonia and carbon dioxide at STP are
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1 mole of any gas occupies a volume of 22.4L at STP
0.5L of any gas at STP will have 122.4 L×0.5 L (value would be the same for all the 3 gases)1 mole of any substance contains 6.022 × 1023 molecules0.522.4 moles will contain = 0.5 ×6.022 ×102322.4molecules (for all the 3 gases)
0.5L of any gas at STP will have 122.4 L×0.5 L (value would be the same for all the 3 gases)1 mole of any substance contains 6.022 × 1023 molecules0.522.4 moles will contain = 0.5 ×6.022 ×102322.4molecules (for all the 3 gases)
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