8. A solution can be both
(A) dilute and concentrated
(B) saturated and dilute
(C) saturated and unsaturated
(D) supersaturated and saturated9. The solubility of a solute must indicate
(A) the temperature of the solution
(B) the quantity of solute
(C) the quantity of solvent
(D) all of the above- A foam is an example of
(A) a gas dispersed in a liquid
(B) a liquid dispersed in a gas
(C) a solid dispersed in a liquid
(D) a liquid dispersed in a liquid
When another crystal was added to a water solution of the same substance,
the crystal seemed to remain unchanged. Its particles were
(A) going into an unsaturated solution
(B) exchanging places with others in the solution
(C) causing the solution to become supersaturated
(D) not going into solution in this static condition
A 10.% solution of NaCl means that in 100. grams of solution there is
(A) 5.85 g NaCl
(B) 58.5 g NaCl
(C) 10. g NaCl
(D) 94 g of H 2 O- The molar mass of AlCl 3 is
(A) 62.5 g/mol
(B) 67.9 g/mol
(C) 106.5 g/mol
(D) 133.5 g/mol- The molarity of a solution made by placing 98 grams of H 2 SO 4 in sufficient
water to make 500. milliliters of solution is
(A) 0.5
(B) 1
(C) 2