Question

$Calculate \: number \: of \: molecules \: and \\ number \: of \: oxygen \: atom \\ in \: 53gm \: Of \: Na_{2}co_{3}$
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Answer 1

Explanation:

Avogadro's number is 6.022×1023 molecules. With Avogadro's number, scientists can discuss and compare very large numbers, which is useful because substances in everyday quantities contain very large numbers of atoms and molecules.

Answer 2

Answer:

53 g of Na2CO3 Contain = 53106=12 mol.

No of atoms of Na = 12×2×6.022×1023= 6.022×1023.

No of atoms of C = 12×6.022×1023.

No of atoms of O = 12×3×6.022×