1 which of the following compounds are insoluble in, Ask an Expert

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1. Which of the following compounds are insoluble in water?

PbSO4 ,Be(OH)2 ,Mg(NO3)2 ,AlPO4 ,NH4I ,All are insoluble

2. What is the percent-by-mass, %(m/m), concentration of Na2SO4 in a solution made by dissolving 15.8 g of Na2SO4 in enough water to give 87.1 g of total solution?

3. How many grams of glucose (C6H12O6) are there in 257.15 mL of a 21.68 %(m/v) glucose-water solution?

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Category:- Physics
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