stoichiometry

How many moles are 60g of CO₂?

• 44 mol

• 0.73 mol

• 1.36 mol

• 1 mol

How many molecules are in 2 moles of Kl?

• 1.204 x10²³

• 6.023x10 ²³

• 2

• a lot of molecules

How many grams of CuOH are in 0.77moles?

• 81g

• 62.37g

• 105.19g

• 4.63x10²³

The molar mass of Zn₃(PO₄)₂ is

• 385

• 354

• 290

• 322

How many atoms are in 350gr Li?

• 50

• 3.01x10²⁵

• 2.10x10²⁵

• 6.023x10²³

How many moles are 12 L NH₃?

• 22.4 L

• 204 L

• 0.53 L

• 1.86 L

According with the reaction, How many grams of oxygen are needed to react with 72 grams of C₂H₆?

2 C₂H₆ + 7 O₂ --> 4 CO₂ + 6 H₂O

How many moles of oxygen are produced when 1.65 gr KClO₃ are decomposed?

2 KClO₃ ---> 2 KCl + 3 O₂

How many liters of H₂S are produced when 165 grams HCl reacts in excess of K₂S?

2 HCl + K₂S --> H₂S + 2 KCl

How many moles of CO₂ are produced by the combustion of methane with 50L of oxygen?

CH₄ + 2 O₂ --> CO₂ + 2 H₂O