Of the substances below, ________ will decrease the solubility of Pb(CN)2 in a saturated solution.
A) Pb(MnO4)2
B) NaMnO4
C) HMnO4
D) H2O2
E) NaCl
Question 2
The ground state electron configuration of Ga is ________.
A) 1s22s23s23p64s23d10 4p1
B) 1s22s22p63s23p64s24 d104p1
C) 1s22s22p63s23p64s23 d104p1
D) 1s22s22p63s23p64s23 d104d1
E) Ar4s23d11