Wednesday
October 1, 2014

Homework Help: Chem

Posted by Timothy on Saturday, April 5, 2014 at 9:33pm.

1) Which solution will have the lowest OH-
A) Na2CO3
B) NaHCO3
C) NaCl
D) NaHSO4
E) NH4Cl

2) Which solution will be the strongest base?
A) Na2CO3
B) NaHCO3
C) NaCl
D) NaHSO4
E) NH4Cl

3) Which aqueous solutions are acidic?
A) Na2CO3 and NaHCO3
B) NaCl and NH4Cl
C) NaHSO4 and NH4Cl
D) NaHSO4 and NaHCO3
E) NaHSO4, NaHCO3, and NH4Cl

What is the order of increasing pH (lowest pH) first) of the solutions?
A) Na2CO3 <NaHCO3<NaCl< NH4Cl
B) NaCl < Na2CO3 < NaHCO3 < NH4Cl
C) NH4Cl < NaHCO3 < NaCl < Na2CO3
D) NH4Cl < NaCl < NaHCO3 < Na2CO3
E) Na2CO3 < NaCl < NaHCO3 < NH4Cl

Which solution will have the highest concentration of Na+ ions?
A) Na2CO3
B) NaHCO3
C) NaCl
D) NaHSO4
E) All are equal

If you could include explanations it would be greatly appreciated!

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