Excluding the noble gas group, how does the number of valence electrons in an element influence it chemical reactivity?

How many miles of water are produced if 5.43 mol pbo2 are consumed

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

What is the molar mass of potassium nitrate, kno3