Question

calculate the number of molecule of SO2 present in 50 g of it​

Answer 1

Explanation:

b)If one mole of oxygen atoms weigh 16 grams find the mass of one atom of oxygen (in grams). Urgent i had test tomorrow.

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Answer 2

Molecular weight if SO2 = 32 + 32 = 64

Given mass = 50 g

Moles = 50/64 = 0.78

No. of molecules = Avagadro no. × moles

=> 6.022×10^23 ×0.78 = 4.7 ×10^23

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