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Author Question: A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting ... (Read 354 times)

debasdf

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on: Aug 27, 2018
A solution is prepared by dissolving 15.0 g of NH3 in 250.0 g of water. The density of the resulting solution is 0.974 g/mL. The molality of NH3 in the solution is ________ m.
 
  A) 0.00353
  B) 0.882
  C) 60.0
  D) 3.24
  E) 3.53

Question 2

How many milliliters of a stock solution of 11.7 M HNO3 would be needed to prepare 0.500 L of 0.500 M HNO3?
 
  A) 0.0468
  B) 21.4
  C) 2.93
  D) 46.8
  E) 0.0214
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EAN94

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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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debasdf

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Reply 2 on: Aug 27, 2018
Excellent

nanny

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Reply 3 on: Yesterday
Gracias!

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