Question

question 1 (2 points)
which of the following compounds is soluble in water?
na3po4
agbr
pbso4
baco3
fe(oh)3

Explanation:

Salts of alkali metals (such as sodium) are generally soluble in water. Sodium phosphate ($Na_3PO_4$) is a salt of sodium. Silver bromide ($AgBr$), lead sulfate ($PbSO_4$), barium carbonate ($BaCO_3$) and iron(III) hydroxide ($Fe(OH)_3$) are insoluble according to solubility rules.

Answer:

$Na_3PO_4$