Question

What is the mass of 9.2 moles of H2O ​

Answer 1

$n = \frac{weight}{molar \: mass}$

where n = number of moles

molar mass of H2O = 1×2+16 = 18 g

weight of H2O = ?

9.2 = weight/ 18

9.2×18 = weight

165.6 g

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Answer 2

Answer:

CA = 40.08

C = 12.01

N = 14.01

H = 1.008

O = 16.00

that's all