If an element a has an ionic charge of +2 and element b has an ionic charge of -3, what will be the formula for the compound created by element a and element b?

How many molecules are found in 1.32 mol of nacl?

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)