stoichiometry pt 1

........ C + ........ S₈ -> ........ CS₂

• 1, 1, 4

• 4, 1, 4

• 4, 4, 4

• 1, 4, 4

........ N₂ + ........ O₂ -> ........ N₂O₅

• 1, 5, 2

• 2, 5, 2

• 2, 10, 2

• 1, 10, 1

........ H₃PO₄ + ....... KOH -> ........ K₃PO₄ + ........ H₂O

• 1, 3, 1, 3

• 1, 3, 3, 1

• 3, 1, 1, 3

• 3, 1, 3, 1

........ Al(OH)₃ + ........ H₂CO₃ -> ........ Al₂(CO₃)₃ + ........ H₂O

• 2, 3, 2, 6

• 2, 3, 1, 6

• 2, 3, 1, 3

• 2, 3, 2, 3

What is the atom used as a standard for determination of 1 mol?

• carbon-12

• oxygen-16

• hydrogen-1

• carbon-13

1 mol of N₂ gas = ............ particles of N₂ gas

• 1.4 x 10²³

• 6.02 x 10²³

• 14 x 10²³

• 60.2 x 10²³

3 moles of N₂ gas = ................ dm³ of N₂ gas

• 420

• 42

• 72

• 7.2

2 moles of O₂ gas = ............... grams of O₂ gas

• 16

• 24

• 32

• 64

84 grams of Fe = ................ moles of Fe

• 3.23

• 2.80

• 1.50

• 0.75

40 grams of Ne gas = ................ moles of Ne gas

• 4.00

• 2.00

• 1.33

• 1.00