A gaseous mixture containing 49.5 ml of hydrogen chloride and H_2 gases was kept in contact with Na/Hg. The volume

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Q 1210167010.     A gaseous mixture containing 49.5 ml of hydrogen chloride and H_2 gases was kept in contact with Na/Hg. The volume of mixture decreased to 42 ml. If 99.5 ml of the same mixture is mixed with 49.5 ml of gaseous ammonia and then exposed to water, calculate the final volume. All measurements of volume being done under same condition of temperature and pressure.
A

55.5 ml

B

40.8 ml

C

60.5 ml

D

None of these

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