Question

''Total pressure of a gaseous mix is equal to the sum of the partial pressures'', this statement is from :

• A. Boyle's law
• B. Charles's law
• C. Avogadro's principle
• D. ideal gas law
• E. Dalton's law

Answer 1

The correct option is E Dalton's law

Dalton's law of partial pressures states that the total pressure exerted by a mixture of gases is the sum of partial pressure of each individual gas present. Each gas is assumed to be an ideal gas.
$P_{t}otal=P_1+P_2+P_3+..$
Where, $P_1$ and $P_2$ are the partial pressure of gas 1 and gas 2 in the mixture. Since, each gas behaves independently, the ideal gas law can be used to calculate the pressure of that ga,s if we know the number of moles of the gas, the total volume of the container, and the temperature of the gas.