Lesson 2 Stoichiometric calculations .Mole to mole
Science
2 plays
4 questions
Question 1
Multiple Choice
10 points
C3H8(g) + 5O2(g) β 3CO2(g) + 4H2O(g) In the given balanced chemical equation . How many moles of oxygen are required to react with 2 moles of water .
A.2.5 moles of oxygen
B.5 moles of oxygen
C.3.5 moles of oxygen
D.4.5 moles of oxygen
Question 2
Multiple Choice
10 points
Methane and sulfur react to produce carbon disulfide (CS2), a liquid often used in the production of cellophane. β¦CH4(g) + β¦S8(s) β β¦CS2(l) + β¦H2S(g) What are the coefficients to balance the given chemical equation ?
A.2 , 1 , 3, 4
B.2 , 1 , 2 , 4
C.3 , 1 , 2 ,4
D.4 , 3 , 2 ,3
Question 3
Multiple Choice
10 points
2CH4(g) + S8(s) β 2CS2(l) 4H2S(g) In the given balanced chemical equation . Calculate the moles of CS2 produced when 1.50 mol S8 is used.
A.1.5 mole of CS2
B.2 mole of CS2
C.3 mole of CS2
D.4 mole of CS2
Question 4
Multiple Choice
10 points
CHALLENGE Sulfuric acid (H2SO4) is formed when sulfur dioxide (SO2) reacts with oxygen and water. 2SO2(g) + O2(g) +2 H2O2(l) β 2 H2SO4(aq) How many moles of H2SO4 are produced from 12.5 moles of SO2?
A.10 mol of π»2ππ4
B.11.5 mol of π»2ππ4
C.12 mol of π»2ππ4
D.12.5 mol of π»2ππ4