[jackiecello23]

When a solution of silver nitrate and potassium chromate are mixed, a precipitate forms.  Given 855cm^3 of a 0.0033M silver nitrate is mixed with 434 cm^3 of a 0.0110M potassium chromate, find:

a. Write the balanced equation for each substance when placed in water.
b. Write the equation for the Net Ionic reaction
c. Write the Ksp expression
d. List and calculate the concentration of all ions in solution after mixing but BEFORE any reaction takes place.
e. Calculate a trial Ksp, also called Q.
f. Compare the trial Q with the Ksp and explain how you could tell if a precipitate forms.  Does a precipitate form?
g. List and calculate the concentration of all ions in solution after mixing and AFTER and reaction has taken place.
h. Calculate the mass in grams of any precipitate found.
i. Using the unit of moles, count the number of positive and negative charges of the ions remaining in solution after reaction.
j. Are the number of positive (+) and negative (-) charges equal to Zero?
k. Explain your answer to j above.


Any help at all on any of the sections, or all of them would be MUCH APPRECIATED!!!  Also calculations would be great too.  This is due tomorrow though.  THANK YOU SOO MUCH!!! 

[Borek]

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