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April 16, 2014

Homework Help: Help --->Chemistry

Posted by melek on Sunday, February 26, 2012 at 12:07am.

1) Complete and balance the following chemical reactins:
2HCI(aq)+Pb(NO3)2(aq)--->
2HI(aq)+K2SO3(s)--->
Pb(NO3)2(aq)+2KCI(aq)--->
Ba(NO3)2(aq)+Na2SO4(aq)--->
K2CO3(aq)+Ba(NO3)2(aq)--->
HCI(aq)+AgNO3(aq)--->

2) How could you separate gold from a mixture of zinc and gold?

3) Using a hydrochloric acid solution, how could you determine whether a white powder was zinc sulfide or silver nitrate? Write balanced equations.

ZnS(s)+2HCI(aq)--->
AgNO3(s)+HCI(aq)--->


THANK YOU SO MUCH!!!!

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