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Asked Dec 9, 2019
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41. A nitric acid solution containing 71.0% HNO3 (by mass) has a density of 1.42 g/mL. Ho
many moles of HNO3 are present in 1.98 L of this solution?
a. 62.8 mol
= 281.16
198 x1,42
b. 31.7 mol
c. 22.3 mol
d. 3.16 x 10-2 mol
e. none of these
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41. A nitric acid solution containing 71.0% HNO3 (by mass) has a density of 1.42 g/mL. Ho many moles of HNO3 are present in 1.98 L of this solution? a. 62.8 mol = 281.16 198 x1,42 b. 31.7 mol c. 22.3 mol d. 3.16 x 10-2 mol e. none of these

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Given that mass percent of nitric acid i...

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Density =1.42 g/mL Volume=1.98 L=1980mL Mass=DensityxVolume =1.42 g/mL×1980mL =2811.6g

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