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QUESTION
Q41) The molecular weight of O2 and SO2 are 32 and 64 respectively. At 15°C and 150mm Hg pressure, one litre of O2 contains 'N' molecules. The number of molecules in two litres of SO2 under the same conditions of temperature and pressure will be: [ CBSE PMT 1990]




SOLUTION

Since temperature and pressure remains same, but volume is doubled thus number of molecules will be doubled 2N
Answer: (c)