Calculate the final concentration of each of the following:
a. 1.0 L of a 4.0 M HNO3 solution is added to water so that the final volume is 8.0 L.
b. Water is added to 0.25 L of a 6.0 M NaF solution to make 2.0 L of a diluted NaF solution.
c. A 50.0-mL sample of an 8.0% (m/v) KBr solution is diluted with water so that the final volume is 200.0 mL.
d. A 5.0-mL sample of a 50.0% (m/v) acetic acid HC2H3O2solution is added to water to give a final volume of 25 mL.
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