Homework Help: Chem

Posted by Anonymous on Monday, October 1, 2012 at 9:24pm.

Which of the following compounds are soluble?
Choose at least one answer.
a. BaSO4
b. K2SO4
c. KBr
d. NaOH
e. Al(OH)3

I originally thought it was the last four, but it isn't, or it isn't only/all of them. Aren't all sulfates and potassium soluble?

What are the reactant ions in the net ionic equation? AgNO3(aq) + NaCl(aq)--> NaNO3(?) + AgCl(?)
Choose at least one answer.
a. Ag+
b. AgCl
c. NO3-
d. Cl-
e. Na+
f. NaNO3

I put a, c, d, and e.

In the reaction of hydrochloric acid and lithium hydroxide what is the negative spectator ion?

I put H-.

Thanks in advance!

Chem - DrBob222, Tuesday, October 2, 2012 at 4:05pm
I gave you the solubility rules and the answers to the first two questions yesterday.
For the third question,
HCl + LiOH ==> H2O + LiCl
The negative spectator ion doesn't appear to be H^-. In fact, there is no H^- anywhere in the equation.

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