Question

What is the weight of 0.1mole of NaHco3

Answer 1

Explanation:

NaHCO3

Molar Mass = (23+1+12+3×16) g mol^-1

=84 g mol^-1

We know

$\: \: \: \: \: \: \: moles \: = \frac{mass}{molar \: mass} \\ = > 0.1mol \: = \frac{mass }{84 {g \: mol}^{ - 1} } \\ = > mass \: = 84 \times 0.1g \\ = > mass = 8.4g$

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