Question

what mass of barium sulphate can be produced when 100.0 ml of a 0.100M solution of barium chloride is mixed with 100.0 ml of a 0.100M solution of Iron(lll) sulphate?
Write the equation and balance it. This is a limiting reagent problem; you know that because amounts for BOTH reactants are given. I solve these by using reagent 1 and ignoring the second and calculating the product. Then repeat the process using reagent 2 and ignoring reagent 1 and calculating the product. You will get two different answers and only one can be correct; the correct one is ALWAYS the smaller one. Here is a worked example of a stoichiometry problem.
http://www.jiskha.com/science/chemistry/stoichiometry.html
Post your work if you get stuck.
which of them will be the limiting reactant??
The limiting reagent is the one producing the smaller value of the product.

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