How many aluminum ions are present in 65.5 mL of 0.210 M AlF3 ...

[kfurse]

How many aluminum ions are present in 65.5 mL of 0.210 M AlF3 solution?
 
  A) 4.02  1023 aluminum ions
  B) 5.79  1024 aluminum ions
  C) 2.48  1022 aluminum ions
  D) 8.28  1021 aluminum ions
  E) 1.21  1022 aluminum ions

Question 2

The net ionic equation for the reaction of formic acid, a weak acid, with potassium hydroxide, a strong base, is:
 
  A) HCO2H (aq) + KOH (aq)  KHCO2 (aq) + H2O (l)
  B) HCO2H (aq) + K+ (aq) + OH- (aq)  K+ (aq) + HCO2- (aq) + H2O (l)
  C) HCO2H (aq) + OH- (aq)  HCO2- (aq) + H2O (l)
  D) HCO2- (aq) + KOH (aq)  KHCO2 (aq) + OH- (aq)
  E) H+ (aq) + HCO2- (aq) + K+ (aq) + OH- (aq)  K+ (aq) + HCO2- (aq) + H2O (l)

Question 3

How many different values of ml are possible in the 3d sublevel?
 
  A) 2
  B) 1
  C) 3
  D) 5
  E) 7

[Mholman93]

Answer to Question 1

D

Answer to Question 2

C

Answer to Question 3

D

[kfurse]

TYSM

[brbarasa]

Wow, this really help