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Author Question: Which value is closest to the mass of a 2-pound box of laundry detergent? A) 200 g B) 2.0 10-4 ... (Read 78 times)

colton

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on: Aug 27, 2018
Which value is closest to the mass of a 2-pound box of laundry detergent?
 
  A) 200 g
  B) 2.0  10-4 cg
  C) 9  109 mg
  D) 1 kg
  E) 4.5  103 ng

Question 2

What is the total volume of the mixture of hydrogen gas and oxygen gas can be obtained from the electrolysis of 110.0 grams of water at 25.0C and 1.00 atm pressure according to the chemical equation shown below?
 
  2 H2O(l)  2 H2(g) + O2(g)
 
  A) 74.7 L
  B) 149 L
  C) 224 L
  D) 447 L

Question 3

Identify the ion with a -2 charge.
 
  A) phosphate
  B) chlorate
  C) chromate
  D) ammonium


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Jevvish

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

D

Answer to Question 2

C

Answer to Question 3

C


colton

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Reply #2 on: Aug 27, 2018
Thanks


Jevvish

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Reply #3 on: Aug 27, 2018
Welcome :)


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