What characterizes an Arrhenius acid? O A. It has a pH of 7 in water,
B. It is always a strong acid,
C. It produces hydrogen lons,
D. It is made from a salt,

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cutie22327

07.03.2021

Chemistry

A mixture of 3 moles of N2, 5 moles of CO2, and 10moles of Cl2 exert a total pressure of 1120 mmHg. What is the partial pressure of CO2?

Explanation:

According to Dalton's law of partial pressures:

The partial pressure of a gas can be determined by using the formula:

$the partial pressure of a gas = mole fraction of the gas * total pressure$

Partial pressure of CO2:

$partial pressure of CO2= total pressure * mole fraction of CO2\\\\Mole fraction of CO2=\frac{number of moles of CO2}{total number of moles of all the gases} \\mole fraction of CO2=\frac{5mol}{3mol+5mol+10mol} = 5/18\\Partial pressure of CO2=\frac{5}{18} * 1120mmHg\\ =311.1mmHg$

Hence, the partial pressure of CO2 is 311.1mmHg.

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What characterizes an Arrhenius acid? O A. It has a pH of 7 in water, B. It is always a strong acid, C. It produces hydrogen lons, D. It is made from a salt,