In a synthesis reaction, two atoms of sodium (Na) combine with one molecule of chlorine gas (Cl2) to produce sodium chloride (NaCl). How many molecules of sodium chloride are produced?
1. four
2. one
3. three
4. two
1 answer
The answer is 2. Two atoms of sodium combine with one molecule of chlorine gas to produce sodium chloride. This means that two molecules of sodium chloride are produced.