When a solution of Cu(II) chloride, CuCl2 , is added to a solution of potassium sulfide, K2S, a black precipitate of copper sulfide, CuS, forms. Which of the following is the net ionic equation for this reaction?
A) CuCl2(aq) + K2S(aq) ? CuS(s) + 2 KCl(aq)
B) Cu2+(aq) + Cl22-(aq) + K22+(aq) + S2-(aq) ? CuS(s) + K22+(aq) + Cl22-(aq)
C) Cu2+(aq) + 2 Cl-(aq) + 2 K+(aq) + S2-(aq) ? CuS(s) + 2 K+(aq) + 2 Cl- (aq)
D) Cu2+(aq) + S2-(aq) ? CuS(s)
D
Environmental & Atmospheric Sciences
You might also like to view...
Which organ or organs tell us the location of different parts of our body?
A. the retina B. proprioceptors C. the organ of Corti D. the vestibular organs
Environmental & Atmospheric Sciences
Which of the following minerals is a silicate (a mineral containing a silicon-bearing ion)?
A) hematite B) feldspar C) calcite D) halite
Environmental & Atmospheric Sciences
In the late nineteenth century, Britain was virtually alone in striving to gain new colonies
Indicate whether this statement is true or false.
Environmental & Atmospheric Sciences
What are Earth's six principal subsystems?
Environmental & Atmospheric Sciences