Moles, Formula Mass, Avogadro's Number, Molar Volume

What is the volume occupied by 1 mole of any gas at RTP?

• 44.8 L

• 22.4 L

• 16.8 L

• 24 L

What is the volume of 5 moles of oxygen gas at RTP?

• 112 L

• 22.4 L

• 120 L

• 24 L

What is the volume of 3 moles of hydrogen gas at RTP?

• 22.4 L

• 24 L

• 72 L

• 89.6 L

Which compound has the smallest molar mass?

Ar Values: C=12, O=16, H=1

• CO

• CO₂

• H₂O

• H₂O₂

What is the mass in grams of 6.25 mol of copper (II) nitrate (Cu(NO₃)₂?

Ar values: Cu= 63.5, N=14, O=16

• 126 g

• 785 g

• 625 g

• 1172 g

Tags

NGSS.HS-PS1-7

A container with a volume of 893 L contains how many moles of air at RTP?

• 20003.2

• 39.9

• 22.4

• 37.2

If I have 77.28 L how many moles of gas do I have at RTP ?

• 3.22 moles

• 3.45 moles

• 22.4 L

• 4.53 L

How many moles of methane gas molecules, CH₄, are in 6 liters of methane at Room temperature and pressure?

• 11.2 moles

• 0.5 moles

• 179.2 moles

• 0.25 moles

Zn + 2HCI → ZnCI₂ + H₂.

If 0.3 mol Zn used, and HCI is excess, what is amount of H₂ formed?

• 0.15 mol

• 0.3 mol

• 0.6 mol

• 1 mol

Tags

NGSS.HS-PS1-7

2CO  +  O₂  −-> 2CO₂
How many liters of carbon dioxide are produced from 10L of carbon monoxide?