ACIDS AND BASES 8. The normal pH of human blood ranges from 7.35 to 7.45. Calculate the concentrations of HəO* and OH ions in human blood that has a pH of 7.45. 9. Calculate the pH of a 9.8 x 10+ M solution of NaOH. OXIDATION=REDUC TION REACTIONS 10. Balance the following equations. For each equation identify which reactant is oxidized, which is reduced, which is the oxidizing agent, and which is the reducing agent. (Assume the reaction takes place in an acidic solution) a. MnOrigg) Br → Mn²*a + Brz1) SD b. CrzO72 ag) + Fe?• → Cr³* + Fe*) LOUIS JILDS

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