Answer to Question #218508 in General Chemistry for Santi

General Chemistry

Question #218508

What is the mass of (4.9x10^24) formula units of sodium chloride?

Expert's answer

Number of molecules

= number of molecules/ 6.02 × 10²³ .

Number of moles = 4.9 × 10²⁴/ 6.02 × 10²³.

= 8.13 moles .

Mass of NaCl = ( 8.13 × 58.5 ) g = 476.16 g .

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