Chemistry, asked by sujit361, 1 year ago

please answer q no. 17

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Answered by Millii

Sodium carbonate is Na2CO3
Molar mass Na2CO3 = 106g/mol
Mol Na2CO3 in 5.3g = 5.3/106 = 0.05 mol Na2CO3

Atoms of Na = 0.05*2*6.022*10^23 = 6.022*10^22 Na atoms
Atoms of C = 0.05*6.022*10^23 = 3.01*10^22 atoms
Atoms of O = 0.05*3*6.022*10^23 = 9.303*10^22 atoms

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