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Author Question: What is the mass of 8.50 1022 molecules of NH3? A) 0.00830 g B) 0.417 g C) 2.40 g D) 120 ... (Read 105 times)

B

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on: Aug 27, 2018
What is the mass of 8.50  1022 molecules of NH3?
 
  A) 0.00830 g
  B) 0.417 g
  C) 2.40 g
  D) 120 g

Question 2

Which substance is the oxidizing agent in the reaction below? Fe(CO)5 (l) + 2HI (g)  Fe(CO)4I2 (s) + CO (g) + H2 (g)
 
  A) HI
  B) Fe(CO)5
  C) Fe(CO)4I2
  D) CO
  E) H2

Question 3

The ion NO- has ________ valence electrons.
 
  A) 15
  B) 14
  C) 16
  D) 10
  E) 12
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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cat123

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Reply #1 on: Aug 27, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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B

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Reply #2 on: Aug 27, 2018
TY


cat123

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Reply #3 on: Aug 27, 2018
You're welcome


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