Problem: Calculate the number of oxygen atoms in 29.34 g of sodium sulfate,Na2SO4.A. 1.244 × 1023 O atomsB. 4.976 × 1023 O atomsC. 2.409 × 1024 O atomsD. 2.915 × 1024 O atomsE. 1.166 × 1025 O atoms

FREE Expert Solution

The molar mass of Na2SO4 is 142.04 g/mol.

no. of O atoms=29.34 g Na2SO4(1 mol Na2SO4142.04 g Na2SO4)(4 mol O1 mol Na2SO4)(6.022×1023 O atoms1 mol O)

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Problem Details

Calculate the number of oxygen atoms in 29.34 g of sodium sulfate,Na2SO4.

A. 1.244 × 1023 O atoms

B. 4.976 × 1023 O atoms

C. 2.409 × 1024 O atoms

D. 2.915 × 1024 O atoms

E. 1.166 × 1025 O atoms

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