What is the difference between elements with 13 protons and 13 neutrons and elements with 14 protons and 13 neutrons ?

How many molecules are found in 1.32 mol of nacl?

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

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false