Pb(oh)2(s) → pb2+(aq) + 2oh-(aq) ksp = 1.4 x 10-20 what is the solubility of lead hydroxide in pure water? (simplify by neglecting the oh- from water.)

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C) the increase in atmospheric pressure pushes the walls of the balloon outward thus making it  is the answer.hope i you.

B.1 - hydrogren-1 can only mean there is 1 neutron. it's obvious there is 1 proton or else it wouldn't be hydrogen, so they wouldn't put a number after it unless they were indicating the number of neutrons