pBlock ElementsII - Result Question 90
####86. Complete and balance the following reactions. (1994, 1M)
$$ \begin{aligned} & Ca _5\left(PO _4\right) _3 F+H _2 SO _4+H _2 O \xrightarrow{\text { Heat }} \ & \ldots+5 CaSO _4 \cdot 2 H _2 O+\ldots \end{aligned} $$
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Solution:
- $Ca _5\left(PO _4\right) _3 F+5 H _2 SO _4+10 H _2 O \xrightarrow{\text { Heat }} 3 H _3 PO _4$
$$ +5 CaSO _4 \cdot 2 H _2 O+HF $$
