Question #7ba2d

1 Answer
anor277
Dec 27, 2015

i. Ba^(2+) + CO_3^(2-) rarr BaCO_3(s)darr

ii. Ca^(2+) + HPO_4^(2-) rarr CaHPO_4(s)darr

Explanation:

All carbonates are insoluble (except for the obvious exceptions, which are?). Calcium biphosphate is about as soluble as a brick (< 20 xx 10^(-3) g*L^-1).

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