Multiple Choice
What are the respective concentrations (M) of K+ and CO32- afforded by dissolving 0.530 mol K2CO3 in water and diluting to 1.50 L?
A) 0.707 and 0.353
B) 0.118 and 0.353
C) 0.353 and 0.707
D) 0.353 and 0.353
E) 0.707 and 0.707
Correct Answer:
Verified
Correct Answer:
Verified
Q148: Of the following elements,_ is the most
Q149: Which of the following are strong electrolytes?<br>HCl<br>HC<sub>2</sub>H<sub>3</sub>O<sub>2</sub><br>NH<sub>3</sub><br>KCl<br>A)HCl,
Q150: In which species does bromine have an
Q151: 0.400 g of solid NaCl is added
Q152: Of the metals below,which will dissolve in
Q154: What is the formula for phosphoric acid?<br>A)H<sub>3</sub>PO<sub>4</sub><br>B)H<sub>2</sub>PO<sub>4</sub><br>C)H<sub>4</sub>PO<sub>4</sub><br>D)H<sub>3</sub>PO<sub>3</sub><br>E)none
Q155: Calculate the number of grams of unknown
Q156: What is the concentration (M)of a NaCl
Q157: All of the following are true concerning
Q158: The molarity (M)of an aqueous solution containing