Answers

2016-03-20T14:23:13+05:30
No of atoms = moles x avagadro number
no of atoms = given mass/molar mass x 6.022x10^23
= 44/ 12 + 2 x 16 = 44 / 44 = 1 mole 

no of atoms = 1 x 6.022 x 10^23
= 6.022 x 10^{23}

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2016-03-20T14:44:04+05:30
No of atoms = moles x avagadro number
no of atoms = given mass/molar mass x 6.022x10^23
= 44/ 12 + 2 x 16 = 44 / 44 = 1 mole 

no of atoms = 1 x 6.022 x 10^23
= 6.022 x
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