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People are advised to eat less than 6.00 g of salt (sodium chloride) per day for health reasons.
Which mass of sodium is present in 6.00 g of sodium chloride?

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rspill6

Answer:  2.36 grams

Explanation:   One molecule of NaCl has an atomic mass of 58.4 amu.  That consists of one atom each of sodium (23 amu) and chlorine (35.4 amu).

Na  23                     (23/58.4)    = 0.3934

Cl   35.4                  (35.4/58.4) = 0.6066

      58.4 amu

For Na:  (6 grams)*(0.3934) = 2.36 grams

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