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Author Question: Which of the following is an acid base reaction? A) C(s) + O2(g) CO2(g) B) 2 HClO4(aq) + ... (Read 74 times)

karlynnae

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on: Aug 27, 2018
Which of the following is an acid base reaction?
 
  A) C(s) + O2(g)  CO2(g)
  B) 2 HClO4(aq) + Ca(OH)2(aq)  2 H2O(l) + Ca(ClO4)2(aq)
  C) Fe(s) + 2 AgNO3(aq)  2 Ag(s) + Fe(NO3)2(aq)
  D) MgSO4(aq) + Ba(NO3)2(aq)  Mg(NO3)2(aq) + BaSO4(s)
  E) None of the above are acid base reactions.

Question 2

How many g of CaCl2 are needed to prepare 500. mL of a 0.375 M solution?
 
  A) 0.188 g
  B) 1.69 g
  C) 3.00 g
  D) 20.8 g
  E) 37.0 g


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parshano

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

B

Answer to Question 2

D


karlynnae

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

ttt030911

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Reply 3 on: Yesterday
Wow, this really help

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