Question

For each of the reactions, calculate the mass (in grams) of the product formed when 15.81 g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant.

2K(s)+Cl2(g)––––––→2KCl(s)

Answer 1

so, which is underlined?
convert grams to moles
the equation tells you how many moles of product to expect
convert that to grams