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31 Hydrazine, H2NNH2, is a weak base used as a long-term storable propellant for spacecrafts. What is the %dissociation of an aqueous solution containing 0.0125MH2NNH2

Hydrazine, H2NNH2, is a weak base used as a long-term storable propellant for spacecrafts. What is the \%dissociation of an aqueous solution containing 0.0125MH2NNH2 ? The Kb for H2NNH2 is 1.7106 at 25C a. 3.84% b. 0.0136% c. 1.16% d. 8.61%

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