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1. Calculate the concentration of formic acid ([HCOOH]) in a water body with a formal concentration of carbonic acid (FH2CO3) of 2.50mM at pH=6.8 and

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1. Calculate the concentration of formic acid ([HCOOH]) in a water body with a formal concentration of carbonic acid (FH2CO3) of 2.50mM at pH=6.8 and pE=2.5. (9 marks) K1(H2CO3)=3.98107;K2(H2CO3)=5.011011;Ka(HCOOH)=1.80104 21H2CO3+21H++e21HCOO+21H2OpE0=4.10

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