Review -- Mole ConceptHONORS

Avogadro's law states that equal ​ (a)   of ​ (b)   at the same temperature and ​ (c)   contain ​ (d)   numbers of particles.

• volumes
• gases
• pressure
• equal

Why do equal numbers of small and large gas particles occupy the same volume?

• large expanses of space exist between gas particles

• large particles move more slowly than smaller particles

• there are fewer collisions between smaller gas particles

Standard temperature and pressure includes which measurements? Click all correct answers.

• 0^oC

• 273 K

• 1 atm

• 101.3 kPa

• 1 mole

What is the volume of 1 mole of gas at STP ?

What is the volume of 0.6 moles of sulfur dioxide, SO₂?

• 32 L

• 6.7 L

• 13 L

• 22.4 L

At STP, what volume is occupied by 6.7 moles of H₂ gas?

• 13 L

• 0.004 L

• 98 L

• 150 L

How many grams are in 7.8 moles of NaCl?

• 476 grams

• 460 grams

• 452 grams

• 462 grams

Tags

NGSS.HS-PS1-7

What is the mole ratio of H₂O to H₃PO₄ in the following chemical equation?   P₄O₁₀ + 6 H₂O --> 4 H₃PO₄ 

• 6:4
• 4:6
• 1:3
• 3:1

What is the mole to mole ratio of propane to carbon dioxide in the equation?

• 1:3
• 1:5
• 1:4
• 1:1

6.02 x 10²³ atoms of carbon weighs _____

• 6.02 x 10²³ g/mol

• 12.011 g/mol

• 12.011(6.02 x 10²³) g/mol