Which of the following is not correct regarding 14 g of CO ?
It corresponds to 0.05 mole of co
It occupies 2.24 L at STP
It corresponds to 3.01 × 1023 molecules of CO
It corresponds to same number of moles of CO2 and nitrogen oxide gases.
A mixture containing 2 mol each of H2 and O2 is ignited so that water is formed. The amount of water formed is
18g
36g
1.8g
32g of O2, 2g of H2, 28g of N2 at NTP, occupy separately a volume of
1L
2L
22. 4L
2. 24L
What is the mass of 1 mole of electron?
6.02 × 1015
8.1 × 1022
0.55 mg
7. 52 × 1023
Mass of 0.1 mole of methane is
1g
0.1g
16g
1.6g
What mass of calcium chloride in grams would be enough to produce 14. 35 g of AgCl. Atomic mass Oo Ca = 40, Ag = 108.
5.55 g
8. 295 g
16. 59 g
11. 19g
How much volume of oxygen at STP in liters required to burn 4g of methane gas completely?
11.2
5.6
2.8
8
Which of the following contains maximum number of molecules ?
100cc of CO2 at NTP
150 cc of O2 at NTP
200 cc of NH3 at NTP
50 cc of SO2 at NTP
Gram molecular volume of oxygen at STP is
22400 cm3
11200 cm3
11300 cm3
224 cm3
In a given sample of H2O2 each 100ml of solution contains 68 mg of H2O2. The molarity of the solution is
0.02m
0.2m
2m
20m
