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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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firework6 firework6
wrote...
12 years ago
how does one figure out the mole ratio between iron (II) nitrate and potassium phosphate?

do you need to write and balance the equation first, and how would i start? so far i only know
Fe 2+ NO 3     K  PO4 3-

thats all i know how would i balance the equation. and find the mole ratio between the two?
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oapplesauce Author
wrote...
#1
12 years ago
first write balanced formulas, knowing the charges
 Fe 2+ ,
(NO3) -1
K+1
PO4 3-


Fe (NO3)2   +  K3 PO4
------------

then predict & write balanced formulas of the products:

Fe (NO3)2   +  K3 PO4 Rightwards Arrow Fe3 (PO4)2  &  K NO3

------------
last, balance the reaction's equation:


3 Fe (NO3)2   + 2 K3 PO4 Rightwards Arrow 1 Fe3 (PO4)2  & 6 K NO3
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