What is the mass in grams of 4250 atoms of chlorine?

2.5593723 x 10²⁷g

Explanation:

Mass of 1 mole of chlorine is 35.5

Therefore, mass of one atom of chlorine is

(35÷6.022×10^23) = 5.895 × 10^-23

35.5g of CL = 5.895 × 10^-23 atoms

x= 4250atoms

cross multiply

x = (4250x35.5)/5.895 × 10^-23 atoms = 150875/5.895 × 10^-23 = 2.5593723 x 10²⁷

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