Stoichimetry

2AgNO3 + BaCl2 → 2AgCl + Ba(NO3)2

If 39.02 g of barium chloride are reacted in an excess of silver nitrate, how many moles of silver chloride are produced?

• 0.3748

• 0.3744

• 0.3752

• 0.3755

Tags

NGSS.HS-PS1-7

2AgNO3 + BaCl2 → 2AgCl + Ba(NO3)2

If 410.8 g of barium chloride are produced, how many grams of silver nitrate were reacted?

• 264.5

• 534.1

• 787.2

• 785.3

Tags

NGSS.HS-PS1-7

N2(g) + 3H2(g) → 2NH3(g)

How many grams of hydrogen are needed to fully react 621.9 g of nitrogen gas?

• 103.3

• 144.3

• 134.3

• 268.3

Tags

NGSS.HS-PS1-7

N2(g) + 3H2(g) → 2NH3(g)

How many liters of nitrogen trihydride (ammonia) are produced at STP if 80.28 g of hydrogen gas are reacted in an excess of nitrogen?

• 300.2

• 299.5

• 591.5

• 594.7

Tags

NGSS.HS-PS1-7

2C8H18(l) + 25O2(g) → 16CO2(g) + 18H2O(g)

What mass of water is produced when 382.9 L of oxygen gas at STP are fully reacted with excess hydrocarbon?

• 233.8

• 221.7

• 219.8

• 441.8

2CO(g) + O2(g) → 2CO2(g)

What is the ratio of moles of oxygen used to moles of carbon dioxide produced?

• 1:1

• 2:1

• 1:2

• 3:1

Cu(s) + 2AgNO3(aq) → Cu(NO3)2 + 2Ag

How many mole of copper are needed to react with 5.8 moles of silver nitrate?

• 5.8

• 3.0

• 2.6

• 2.9

Tags

NGSS.HS-PS1-7

Fe3O4 + H2 → Fe + H2O

What mass of water will be produced if 750. grams of Fe are also produced?

• 2

• 161

• 322

• 644

Tags

NGSS.HS-PS1-7

2Al(s) + 3FeO(s) → 3Fe(s) + Al2O3(s)

How many moles of aluminum are needed to react completely with 1.2 mol of FeO?

• 0.80

• 0.8

• 0.4

• 0.40

N2(g) + 3H2(g) → 2NH3(g)

How many liters of nitrogen gas are needed to completely react 90.28 L of hydrogen gas at STP?

• 60.18

• 15.55

• 30.09

• 30.1