Calculate the maximum concentration (in M) of magnesium ions ...

[cmoore54]

Calculate the maximum concentration (in M) of magnesium ions (Mg+2 ) in a solution that contains 0.025 M of CO32-. The Ksp of MgCO3 is 3.5  10-8.
 
  A) 1.8  10-5
  B) 1.4  10-6
  C) 2.8  10-6
  D) 3.2  10-10
  E) 8.1  10-12

Question 2

Determine the mass percent (to the hundredths place) of C in sodium bicarbonate (NaHCO3).
 
  What will be an ideal response?

[fdliggud]

Answer to Question 1

B

Answer to Question 2

14.30

[cmoore54]

Wow, this really help

[marict]

Thanks for the timely response, appreciate it