Multiple Choice
A 0.200 M K2SO4 solution is produced by ________.
A) dilution of 250.0 mL of 1.00 M K2SO4 to 1.00 L
B) dissolving 43.6 g of K2SO4 in water and diluting to a total volume of 250.0 mL
C) diluting 20.0 mL of 5.00 M K2SO4 solution to 500.0 mL
D) dissolving 20.2 g of K2SO4 in water and diluting to 250.0 mL, then diluting 25.0 mL of this solution to a total volume of 500.0 mL
E) dilution of 1.00 mL of 250 M K2SO3 to 1.00 L
Correct Answer:

Verified
Correct Answer:
Verified
Q6: The net ionic equation for formation of
Q15: How many grams of H<sub>3</sub>PO<sub>4</sub> are in
Q34: The reaction between strontium hydroxide and chloric
Q102: What volume (mL)of a 5.45 M lead
Q103: Calculate the concentration (M)of arsenic acid (H<sub>3</sub>AsO<sub>4</sub>)in
Q105: A 17.5 mL sample of an acetic
Q107: The molarity (M)of an aqueous solution containing
Q108: You are given two clear solutions of
Q108: Oxidation cannot occur without _.<br>A)acid<br>B)oxygen<br>C)water<br>D)air<br>E)reduction
Q111: What are the respective concentrations (M)of Mg<sup>2</sup><sup>+</sup>