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.
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
The oxygen obtained from 72 kg of water is
72 kg
46 kg
50 kg
64 kg
32g of O2, 2g of H2, 28g of N2 at NTP, occupy separately a volume of
1L
2L
22. 4L
2. 24L
4.48 L of methane at STP corresponds
1.2 × 1022 molecules of methane
0. 5 mole of methane
3. 2g of methane
0.1 mole of methane
The largest number of molecules is in
54g of N2O5
28g of CO2
34g of H2O
46 g of CH3OH
1 g atom N2 represents
6.02 × 1023 N2 molecules
22. 4 L of N2 at STP
11. 2 L of N2 at STP
28 g of N2
The number of atoms in 0.1 mol of a triatomic gas is.
4. 026 × 1023
5. 02 × 1023
1.806 × 1023
6. 02 × 1013
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
