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If solutions of NH4OJ and CaS are mixed, what is the name and formula of the precipitate formed?
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If solutions of NH4OJ and CaS are mixed, what is the name and formula of the precipitate formed?

If solutions of NH4OJ and CaS are mixed, what is the name and formula of the precipitate-example-1
User El Hocko
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When NH₄OH and CaS are mixed the following reaction occurs:

NH₄OH + CaS ---> Ca(OH)₂ + (NH₄)₂S

Ca(OH)₂ is a poorly soluble base in water. So the formula of the precipitade formed is Ca(OH)₂ and its name is calcium hydroxide.

Bases with cations of the group II of the periodic table are generally poorly soluble in water.

User Szilard
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