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A flask contains a gas mixture of hydrogen, nitrogen and methane. The total
pressure of the mix is 3.0 atm. The partial pressure of the hydrogen is 0.5
atm, and the partial pressure of the methane is 1.5 atm. What is the partial
pressure of the nitrogen?
OA) 0.8 atm
OB) 1.0 atm
OC) 1.6 atm
OD) 2.0 atm

the answer is barium and copper bromide

the answer your looking for is c).

answer: option (a) is the correct answer.

explanation:

the measurement of hydrogen ions in a solution is known as ph.

if ph of a solution is less than 7 then the solution is acidic. if ph of a solution is greater than 7 then the solution is basic.

when the ph of a solution equals 7, then the solution is considered as neutral.

the ph of pure water is 7, therefore, it means that concentration of hydronium ions equals that of hydroxide ions.