A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0....
A mixture of 0.20 mole of Ar, 0.20 mole of N2 and 0.30 mole of He exerts a total pressure of 2.1 atm. The partial pressure of He in the mixture is?
0.90 atm
0.80 atm
0.70 atm
0.60 atm
Correct answer is A
Total no mole = 0.2 + 0.2 + 0.3 = 0.7
Partial pressure of He = (0.3)/(0.7) x 2.1 =0.90
When iron rusts, it undergoes ...
Which of the following is a primary constituent of crude oil? ...
Certain useful waxes are composed mainly of ...
What is the atomic number of Mendelevium? ...
A gaseous metallic chloride MCl consists of 20.22% of M by mass. The formula of the chloride is? ...
How many atoms are there in one mole of hydrogen gas? [Avogadro's constant = 6.02 x 1023mol-1] ...