What volume of CO2 at NTP will be produced by the reaction of 10 litres of HCl solution (sp gravity = 1.16 and strength =30% by weight ) on 20 kg of Na2Co3.

What is the importance of interlocking the fingers and rubbing while washing hands? the palms are the dirtiest parts of the hands. the spaces between the fingers get washed. the backs of the hands get washed. the fingernails are the dirtiest parts of the hands