Most living things need oxygen to survive. These two body systems bring oxygen into your body and then move to all your body par
2 answers:
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Explanation:
It is given that aluminium nitrate and calcium chloride are mixed together with sodium phosphate.
And,
Let us assume that the solubility be "s". And, the reaction equation is as follows.
s =
Also,
s =
This means that first, aluminium phosphate will precipitate.
Now, we will calculate the concentration of phosphate when calcium phosphate starts to precipitate out using the expression as follows.
=
= M
Similarly, calculate the concentration of aluminium at this concentration of phosphate as follows.
M
Thus, we can conclude that concentration of aluminium will be M when calcium begins to precipitate.