Homework Answers
According to Dalton's law of partial pressure , the total pressure exerted by a mixture of gases is equal to the sum of individual pressures of each gas.
1 atm = 760 torr
1 mm Hg = 1 torr
315 mm Hg = 315 torr
1.86 atm = 1.86 × 760
= 1413.6 torr
Total pressure = 1413.6 + 315 + 126
= 1854.6 torr
Answer = b.) 1850 torr
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