Question #132361

If the concentration of a gas dissolved in water at a certain temperature and one atmospheric pressure is 0.00035 M. Calculate the concentration of the gas at 1.5 atmospheric pressure.

and

For a first order reaction, k= 0.0025 /s, if the initial concentration of the reactant is 2.50 M, a) calculate the concentration of the reactant after 200 second.

b) calculate the half-life of the reaction.

Expert's answer

0.000233moles

0.3325 moles


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