If 20ml of 0.5m na2so4 is mixed with 50ml of 0.2m h2so4 and 30ml of 0.4m of al2(so4)3 solution, calculate [na+], [h+], [so42-] adn [al3+].
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Answer : The concentration of are 0.02, 0.02, 0.056 and 0.024 M respectively.
Solution :
First we have to calculate the moles of
dissociates into and ions.
Concentration of =
Concentration of = 0.01 M
dissociates into and ions.
Concentration of =
Concentration of = 0.01 M
dissociates into and ions.
Concentration of =
Concentration of =
Total concentration of = 0.01 + 0.01 + 0.036 = 0.056 M
Therefore, the concentration of are 0.02, 0.02, 0.056 and 0.024 M respectively.
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