A glass cylinder contains 2 gases at a pressure of 106 kPa. If one gas is at 7 kPa, what is the pressure of attributed to the other gas? a) 9 kPa b) 99 kPa c) 113 kPa d) 7 kPa e) 2 kPa

b) 99 kPa

Explanation:

According to Daltons law of partial pressure, the total pressure of a mixture of two or more non reactive gases is the sum of their individual pressures. Let the total pressure of a mixture of n number of gases be and their individual pressure be , According to Daltons partial pressure law:

Since A glass cylinder contains 2 gases at a pressure of 106 kPa, therefore n = 2. Also one gas () is at 7 kPa. Using Daltons partial pressure law:

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