1: if 30cm3 of oxygen diffuses through a porous plug in 7 sec, how long will it take 60cm3 of chlorine to diffuse through the same porous plug.
2: given that 15.00cm3 of H2SO4 was required to completely neutralise 25.00cm3 of 0.125 mole per dm3 of NaOH. calculate the molar concentration of the acid solution
3: what is the temperature of a given mass of gas initially 0 degree celcuis and 9 ATM, if the pressure is reduced to 3ATM at constant volume?
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Asked by spaco on 17th August, 2019
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