Calculate the mass of 6.9 moles of nitrous acid (HNO2). Explain the process or show your...

Question

Question

Calculate the mass of 6.9 moles of nitrous acid (HNO2). Explain the process or show your work by including all values used to determine the answer.

science chemistry

Answer 1

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Answer #1

Molar mass of HNO2,

MM = 1*MM(H) + 1*MM(N) + 2*MM(O)

= 1*1.008 + 1*14.01 + 2*16.0

= 47.018 g/mol

use:

mass of HNO2,

m = number of mol * molar mass

= 6.9 mol * 47.02 g/mol

= 3.244*10^2 g

Answer: 3.2*10^2 g

Answer 2

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