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Author Question: How many g of C6H12O6 are needed to prepare 2.50 L of a 5.00 (w/v) solution? A) 1.25 g B) 0.200 ... (Read 119 times)

james9437

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on: Aug 27, 2018
How many g of C6H12O6 are needed to prepare 2.50 L of a 5.00 (w/v) solution?
 
  A) 1.25 g
  B) 0.200 g
  C) 12.5 g
  D) 125 g
  E) 200. g

Question 2

Which of the following pairs of aqueous solutions will react to produce a precipitate?
 
  A) NH4NO3 + Li2CO3
  B) Hg2(NO3)2 + LiI
  C) NaCl + Li3PO4
  D) AgC2H3O2 + Cu(NO3)2
  E) None of the above solution pairs will produce a precipitate.

Question 3

Given w = 0, an endothermic reaction has the following.
 
  A) +H and -E
  B) -H and +E
  C) +H and +E
  D) -H and -E

Question 4

Which of the following is a precipitation reaction?
 
  A) Zn(s) + 2 AgNO3(aq)  2 Ag(s) + Zn(NO3)2(aq)
  B) NaCl(aq) + LiI(aq)  NaI(aq) + LiCl(aq)
  C) 2 LiI(aq) + Hg2(NO3)2(aq)  Hg2I2(s) + 2 LiNO3(aq)
  D) HCl(aq) + KOH(aq)  KCl(aq) + H2O(l)
  E) None of the above are precipitation reactions.

Question 5

95.0F is the same as
 
  A) 21C.
  B) 35C.
  C) 85C.
  D) 171C.
  E) 203C.


fromAlphatoOmega22

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

D

Answer to Question 2

B

Answer to Question 3

C

Answer to Question 4

C

Answer to Question 5

B


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james9437

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Reply #2 on: Aug 27, 2018
Both answers were spot on, thank you once again


fromAlphatoOmega22

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Reply #3 on: Aug 27, 2018
Great! Please up vote :D


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