Of the following substances, an aqueous solution of ________ will ...

[khang]

Of the following substances, an aqueous solution of ________ will form basic solutions. NH4Cl Cu(NO3)2 K2CO3 NaF
 
  A) NH4Cl, Cu(NO3)2
  B) K2CO3, NH4Cl
  C) NaF only
  D) NaF, K2CO3
  E) NH4Cl only

Question 2

12 karat gold contains ________ gold.
 
  A) 12
  B) 25
  C) 50.
  D) 75
  E) 1.0  102

[underwood14]

Answer to Question 1

D

Answer to Question 2

C

[khang]

Gracias!

[parshano]

Thanks for the timely response, appreciate it