A commercial sample of common salt has 45.5% chlorine. What is the weight percentage of pure sodium chloride in the sample?

A commercial sample of common salt has 45.5% chlorine. What is the wei

1.	A commercial sample of common salt has 45.5% chlorine. What is the weight percentage of pure sodium chloride in the sample?
Answer» Solution :Formula weight of SODIUM chloride =23+35.5=58.5 Weight percentage of CHLORINE in pure sodium chloride `=(35.5)/(58.5)xx 100=60.6` 60.6 PARTS of Cl (100% pure) has 45.5 parts of Cl Percentage PURITY of sodium chloride `=(45.5)/(60.6) xx 100=75`