QUESTION 1 How many moles are there in 88 g of CO2 sample? O A. 18 moles OB. 1 mole O C. 2 moles O D. 6.02 x 1023 moles

Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter3: Molecules, Moles, And Chemical Equations
Section: Chapter Questions
Problem 3.79PAE: 3.79 Consider two samples. Sample A contains 2 moles of N2 and 1 mole of O2, and Sample B contains 1...
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QUESTION 1
How many moles are there in 88 g of CO2 sample?
O A. 18 moles
OB. 1 mole
O C. 2 moles
O D. 6.02 x 1023 moles
QUESTION 2
A student reacted 15.000 g of Lead with 2.325 g Sulfur to form Lead Sulfide. How much grams of Lead Sulfide will be formed
after the reaction?
O A. 15.000 g
O B. 2.325 g
O C. 17.325 g
O D. 12.675 g
QUESTION 3
Eutrophication can cause
O A. unwanted dense growth of plant life in lakes
OB. Increase in animal life in lakes
O C. Increase the levels of oxygen in takes
O D. None of the above
Transcribed Image Text:QUESTION 1 How many moles are there in 88 g of CO2 sample? O A. 18 moles OB. 1 mole O C. 2 moles O D. 6.02 x 1023 moles QUESTION 2 A student reacted 15.000 g of Lead with 2.325 g Sulfur to form Lead Sulfide. How much grams of Lead Sulfide will be formed after the reaction? O A. 15.000 g O B. 2.325 g O C. 17.325 g O D. 12.675 g QUESTION 3 Eutrophication can cause O A. unwanted dense growth of plant life in lakes OB. Increase in animal life in lakes O C. Increase the levels of oxygen in takes O D. None of the above
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