Stoich #2 Academic Chem w/ LR Practice

Last updated almost 3 years ago
7 questions
1

What are the coefficients needed to balance the reaction:          C4H10O   +   O2   -->  CO2   +  H2O

1

Using the balanced chemical equation from question 1, determine how many moles of oxygen are needed to react with 3.45 moles of C4H10O. SHOW ALL WORK

1

Using the amount of moles you calculated that you need of oxygen from question 2, if you have 9.45 moles of oxygen gas available, what does that tell you about oxygen gas? SHOW ALL WORK.

1

What are the coefficients needed to balance the reaction:               CsCl  +  O  -->   CsClO3

1

Using the balanced chemical equation from question 4, when 4.5 mole of CsCl reacts with 5.80 moles of O2, determine which reactant is the limiting reagent.

1

When 10.5 g of potassium reacts with 12.1 g of cobalt (IV) fluoride, determine which is the limiting reagent using the balanced chemical equation below
4 K  +   CoF4    -->   4KF   +  Co

1

Why do you calculate the limiting reagent?  What is its use?