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Ugo [173]
2 years ago
15

How many moles are in 10 mg of NO2

Chemistry
2 answers:
podryga [215]2 years ago
4 0

mole=10 x 10⁻³ : 46 g/mol = 2.17 x 10⁻⁴

IgorC [24]2 years ago
3 0
We have to convert 10 mg to g first

10mg x (g / 10^3 mg) = 10 x 10^-3 g
Once we have the mass in grams, we can use the relationship of g/mol and use molar mass of NO2 to solve

10 x 10^-3 g x (mol NO2 / 46 g NO2) = 2.17 x 10^-4 mol NO2

Answer is 2.17 x 10^-4 mol NO2
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