Multiple Choice
CH3OH can be synthesized by the reaction CO(g) + 2H2(g) → CH3OH(g). How many liters of CO gas are required to produce 44.8 liters of CH3OH gas at STP?
3. Chemical Reactions
Stoichiometry
Back3. Chemical Reactions
Stoichiometry
- Multiple ChoiceWhat volume of 0.200 M HCl solution is needed to exactly neutralize 25.0 mL of 0.150 M NaOH?
- Multiple ChoiceLithium and nitrogen react to produce lithium nitride according to the equation: 6Li + N2 → 2Li3N. How many moles of N2 are needed to react with 0.450 mol of lithium?
- Multiple ChoiceIf 241.94 grams of H2O (molar mass 18.02 g/mol) are produced in a reaction, how many moles of Sr(C2H3O2)2 (molar mass 183.71 g/mol) will also be produced, assuming the reaction is: Sr(C2H3O2)2 + 2 H2O → Sr(OH)2 + 2 C2H4O2?
- Open QuestionAll stoichiometric calculations begin with a
- Multiple ChoiceWhat is the mass of Fe₂O₃ required to produce 930 kg of iron (Fe) in the reaction: Fe₂O₃ + 3CO → 2Fe + 3CO₂?
- Multiple ChoiceA mixture of NaCl and NaBr has a mass of 2.01 g and is found to contain 0.77 g of Na. What is the mass of NaBr in the mixture?
- Multiple ChoiceWhat is the formula mass of calcium nitrate, Ca(NO3)2?
- Multiple ChoiceThe reaction between nitrogen and hydrogen to form ammonia is carried out in a flask containing 30.5 g of N2 and 8.65 g of H2. What is the theoretical yield of NH3 in grams? N2(g) + 3H2(g) → 2NH3(g)
- Open Question
Calculate the number of grams of oxygen required to convert 63.0 g of glucose to CO2 and H2O.
- Multiple ChoiceWhen heated, potassium chlorate decomposes to potassium chloride and molecular oxygen:
2 KClO3 → 2 KCl + 3 O2
How much oxygen could be formed from 5.0 g of potassium chlorate?1views - Multiple ChoiceWhich answer choice shows the correct ratio of moles Ni:PO4^3- for the reaction of aqueous NiCl2 with Na3PO4?1views
- Multiple Choice
The reaction between solid phosphorus and fluorine is given below:
P4 (s) + 12 F2 (g) → 4 PF6 (aq)
If 6.92 x 1021 molecules of solid phosphorus react to completion, how many grams of phosphorus hexafluoride would be produced?
3views - Open QuestionList the four steps to solve stoichiometric problems.
- Open Question
The molar mass of O2 is 32.0 g/mol. What mass, in grams, of O2 must react to form 3.80 mol of Al2O3?