Mole and Gases

Multiple Choice

What is the volume of 6 x 10²³ NH₃ particles at rtp?

(1 mol of gas @ rtp occupies 24 dm³)

• 24 dm³

• 22.4 dm³

• 12 dm³

• 44.8 dm³

Multiple Choice

What is the volume of 0.5 mol of Helium gas at stp?

(1 mol of gas @ stp occupies 22.4 dm³)

• 22.4 dm³

• 11.2 dm³

• 12 dm³

• 24 dm³

Multiple Choice

What is the volume of 20g of Helium gas at stp?

(A_r He 2; 1 mol of gas @ stp occupies 22.4 dm³)

• 224.0 dm³

• 112.0 dm³

• 2.24 dm³

• 2240 dm³

Multiple Choice

What is the mass of 1.2 dm³ of Argon at rtp?

(A_r Ar 40; 1 mol of gas @ rtp occupies 24 dm³)

• 0.05 g

• 24 g

• 4 g

• 2 g