Question

1. which of the following has maximum number of molecules?
a. 7g N2 b. 2g H2
c. 8g O2 d. 20g NO2

2. How many g of H2O are present in 0.25 mol of it?
a. 4.5 b. 18
c. 0.25 d. 5.4

3. The number of molecules in 22.4 cm3 of nitrogen gas at STP is
a. 6.022 × 10^20
b. 6.022 × 10^23
c. 22.4 × 10^20
d. 22.4 × 10^23

4. which of the following has the largest number of atoms?
a. 1g Au(s) b. 1g Na(s)
c. 1g Li(s) d. 1g Cl2 (g)

please answer guys..​

Answer 1

Answer:

3---a

1---d

2---a

4---a