Given the reaction:

NH3(g) + H2O() NH4+(aq) + OH–(aq)

Which is the conjugate acid-base pair?

A) H2O() and NH4+(aq)

B) H2O() and NH3(g)

C) NH3(g) and OH–(aq)

D) NH3(g) and NH4+(aq)

In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?