How many of the following compounds are soluble in water? Pb(OH)₂ LiNO₃ NH₄Br K₂S

Name: How many of the following compounds are soluble in water? Pb(OH) 2 LiNO 3 NH 4 Br K 2 S
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Question

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The compounds given are Pb(OH)2, LiNO3, NH4Br, and K2S. According to solubility rules, most hydroxides (like Pb(OH)2) are insoluble, but all nitrates (LiNO3), ammonium salts (NH4Br), and sulfides of alkali metals (K2S) are soluble in water. Therefore, 3 of these compounds are soluble in water.

How Many of the Following Compounds Are Soluble in Water