In Which of the Following Solutions Would Solid PbCl₂ Be

Multiple Choice

In which of the following solutions would solid PbCl₂ be expected to be the least soluble at 25°C?

A) 0) 1 M HCl
B) 0) 1 M NaCl
C) 0) 1 M CaCl₂
D) 0) 1 M KNO₃