A student must prepare 500.0 mL of solution containing 0.999 grams of solid copper(II) sulfate.Which of the following statements are FALSE regarding the proper procedure to prepare this solution?
I The 0.999 grams of solid copper(II) sulfate is dissolved in a 500.0-mL volumetric flask containing 500.0 mL of water.
II The 0.999 grams of solid copper(II) sulfate is dissolved in a 500.0-mL volumetric flask containing 400 mL of distilled water before dilution to 500.0-mL.
III The 0.999 grams of solid copper(II) sulfate is placed in an empty 500.0-mL volumetric flask,diluted to 500.0 mL and allowed to dissolve.
A) I and II
B) II and III
C) I and III
D) I,II,and III
E) None are false.
Correct Answer:
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