Table of Chemistry

Most ionic substances are soluble in water because water molecules are

• nonpolar

• inorganic

• ionic

• polar

Which ion, when combined with chloride ions, Cl-, forms an insoluble substance in water?

• Fe²⁺

• Mg²⁺

• Ag⁺

• Zn²⁺

According to Table F, which of these salts is least soluble in water?

• LiCl

• RbCl

• FeCl₂

• PbCl₂

Which compound is insoluble in water?

• BaSO₄

• CaCrO₄

• Na₂S

• KClO₃

Which diagram best illustrates the ion-molecule attractions that occur when the ions of NaCl(s) are added to water?

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According to Reference Table F, which of these compounds is the least soluble in water?

• K₂CO₃

• KC₂H₃O₂

• Ca₃(PO₄)₂

• Ca(NO₃)₂

Which barium salt is insoluble in water

• BaCO₃

• BaCl₂

• Ba(ClO₃)₂

• Ba(NO₃)₂

Based on Reference Table F, which of these saturated solutions has the lowest concentration of dissolved ions?

• NaCl(aq)

• MgCl₂(aq)

• NiCl₂(aq)

• Hg₂Cl(aq)

At STP, which of these substances is most soluble in H₂O?

• N₂

• NH₃

• CO₂

• CCl₄

If solutions of sodium chromate and calcium carbonate are mixed and poured into a filter, what will pass through the filter?

• water, sodium, chromate, potassium, and carbonate ions

• water, sodium and chromate ions only

• water, calcium and carbonate ions only

• water only