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Author Question: Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen ... (Read 269 times)

stephzh

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on: Aug 27, 2018
Combustion analysis of 2.400 g of an unknown compound containing carbon, hydrogen, and oxygen produced 4.171 g of CO2 and 2.268 g of H2O. What is the empirical formula of the compound?
 
  A) C2H5O
  B) C2H5O2
  C) C2H10O3
  D) C3H8O2

Question 2

What is the molarity of a NaOH solution if 15.5 mL of a 0.220 M H2SO4 solution is required to neutralize a 25.0-mL sample of the NaOH solution?
 
  A) 0.273
  B) 0.355
  C) 0.710
  D) 42.6
  E) 0.136
Chemistry: The Central Science ¦ Brown, LeMay, Bursten ¦ 14th Edition
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javimendoza7

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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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stephzh

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Reply 2 on: Aug 27, 2018
Gracias!

chereeb

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

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