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Author Question: Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + ... (Read 142 times)

jessicacav

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on: Aug 27, 2018
Calcium oxide reacts with water in a combination reaction to produce calcium hydroxide: CaO(s) + H2O(l)  Ca(OH)2(s) In a particular experiment, a 5.00-g sample of CaO is reacted with excess water and 6.11 g of Ca(OH)2 is recovered.
 
  What is the percent yield in this experiment? A) 122
  B) 1.22
  C) 7.19
  D) 92.5
  E) 81.9

Question 2

Which pair of compounds is used in the manufacture of fertilizers?
 
  A) HCl and NaOH
  B) HCl and H3PO4
  C) HNO3 and HCl
  D) H2SO4 and H3PO4
  E) HNO3 and NaOH
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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Joc

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Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

D


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