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Author Question: A balanced net ionic equation for the reaction of Na2CO3(s) and HCl(aq). A) Na2CO3(s) + 2 HCl(aq) ... (Read 115 times)

mp14

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on: Aug 27, 2018
a balanced net ionic equation for the reaction of Na2CO3(s) and HCl(aq).
 
  A) Na2CO3(s) + 2 HCl(aq)  2 NaCl(aq) + H2O(l) + CO2(g)
  B) 2Na+(aq) + CO32-(aq) + 2H+(aq) + 2Cl-(aq)  2Na+(aq) + 2Cl-(aq) + H2O(l) + CO2(g)
  C) Na2CO3(s) + 2 H+(aq)  2 Na+(aq) + H2O(l) + CO2(g)
  D) CO32-(aq) + 2 H+(aq)  H2O(l) + CO2(g)

Question 2

What is the first step in the unit analysis method of problem solving?
 
  A) Write down the unit asked for in the answer.
  B) Write down the given value related to the answer.
  C) Apply a unit factor to convert a unit in the given value.
  D) Round off the answer in the calculator display.
  E) none of the above


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CharlieArnold

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

C

Answer to Question 2

A


mp14

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Reply 2 on: Aug 27, 2018
YES! Correct, THANKS for helping me on my review

adammoses97

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Reply 3 on: Yesterday
Excellent

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