10th grade Gas volume and moles at standard conditions worksheet

Gas volume and moles at standard conditions

Grade 10 Science Worksheet

Circle the best answer, or write your answer on the line.

1. 1.

   A leaf gives off 0.75 mol of O₂, measured at STP (0 °C, 1 atm, 22.4 L/mol). What volume is that, to 0.01 L, Bo?
2. 2.

   A balloon holds 1.5 mol of CO₂ at STP (0 °C, 1 atm, 22.4 L/mol). What volume is that, to 0.01 L, Esme?
3. 3.

   A tank holds 4 mol of O₂ at STP (0 °C, 1 atm, 22.4 L/mol). What volume is that, to 0.01 L, Jun?
4. 4.

   A balloon holds 44.01 g of CO₂ (44.01 g/mol). What volume is that at STP, Kira?

   • 44.01 L, one liter per gram
   • 985.82 L, from 44.01 × 22.4
   • 22.4 L, since it is 1 mol
5. 5.

   What volume does 16.00 g of O₂ (32.00 g/mol) fill at STP, Luz?

   • 16 L, one liter per gram
   • 44.8 L, from 2 mol
   • 11.2 L, from 0.5 mol
6. 6.

   What volume does 88.02 g of CO₂ (44.01 g/mol) fill at STP, Milo?

   • 44.8 L, from 2 mol
   • 88.02 L, one liter per gram
   • 11.2 L, from 0.5 mol
7. 7.

   Two balloons at STP each hold 11.2 L, one of CO₂ and one of O₂. Which is true, Noah?

   • The O₂ balloon holds more moles
   • The CO₂ balloon holds more moles
   • Each holds 0.5 mol of gas
8. 8.

   At STP, which has more mass: 22.4 L of O₂ or 22.4 L of CO₂, Pia?

   • The O₂, since it fills more space per gram
   • The CO₂: 44.01 g against 32.00 g
   • They match, since the volumes match
9. 9.

   Which sample at STP holds the most gas particles: 22.4 L of O₂, 22.4 L of CO₂ or 11.2 L of CO₂, Ren?

   • 22.4 L of CO₂, since CO₂ is heavier
   • 11.2 L of CO₂, since CO₂ packs tighter
   • The two 22.4 L samples tie
10. 10.

    In photosynthesis, 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. How much CO₂ at STP makes 0.5 mol of glucose, Ari?

    • 0.13 L, from 3 ÷ 22.4
    • 11.2 L, from 0.5 mol of CO₂
    • 67.2 L, from 3 mol of CO₂