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Iteru [2.4K]
3 years ago
10

The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/ml. calculate the mass of 16.9 ml

of the liquid
Chemistry
1 answer:
sesenic [268]3 years ago
4 0
Hey there!:

Density = 0.798 g/mL

Volume = 16.9 mL

Therefore:

Mass = density * volume

Mass = 0.798 * 16.9

Mass = 13.4862 g
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When 500.0 g of water is decomposed by electrolysis and the yield of hydrogen is only 75.3%, how much hydrogen chloride can be m
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The amount of hydrogen chloride that can be made is 1064 g

Why?

The two reactions are:

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We have to apply a big conversion factor to go from grams of water (The limiting reactant), to grams of HCl, the final product. We have to be very careful with the coefficients and percentage yields!

500.0gH_2O*\frac{1moleH_2O}{18.01 gH_2O}*\frac{2 moles H_2}{2 moles H_2O}*\frac{2.015g H_2}{1 mole H_2}*\frac{75.3 actual g}{100 theoretical g}=42.12 g H_2

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Have a nice day!

#LearnwithBrainly

7 0
4 years ago
If the partial pressure of oxygen in a scuba air tank is 73.44 atm, the partial pressure of nitrogen is 128.52 atm, and the part
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Use a chart. ...

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3 years ago
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In order to knw hw stable an atom is

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3 years ago
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