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Author Question: What mass (g) of barium iodide is contained in 188 mL of a barium iodide solution that has an iodide ... (Read 289 times)

waynest

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on: Aug 27, 2018
What mass (g) of barium iodide is contained in 188 mL of a barium iodide solution that has an iodide ion concentration of 0.532 M?
 
  A) 19.6
  B) 39.1
  C) 19,600
  D) 39,100
  E) 276

Question 2

What happens to the mass number and the atomic number of an element when it emits gamma radiation?
 
  A) The mass number remains unchanged while the atomic number decreases by one.
  B) The mass number decreases by four and the atomic number decreases by two.
  C) The mass number increases by four and the atomic number increases by two.
  D) The mass number remains unchanged while the atomic number increases by one.
  E) The mass number and atomic numbers remain unchanged.
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jackie

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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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waynest

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Reply 2 on: Aug 27, 2018
Gracias!

ttt030911

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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