What is true of a strong acid? (3 points)
2 answers:
Answer: Option (a) is the correct answer.
Explanation:
A strong acid is an acid which completely dissociates into its ions in a solution.
For example, HCl is a strong acid and it dissociates as follows.
Whereas a weak acid dissociates slightly into a solution.
Thus, we can conclude that it is true of a strong acid that it ionizes close to 100 percent in water.
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Answer:
Molarity = 0.5 M
Osmolarity = 0.5 x 2 = 1 Osmpl.
Molecules of Cl2 = 6.02 x / 4= 1.505 x
no. of molecules
Explanation:
If we add half mole in 1L volume than molarity will obviously be 0.5 M.
The osmolarity is molarity multiplies by number of dissociates of solute that for CaCl2 are 2. So, 2 x 0.5 = 1
Half will be molecules of Ca and half will be of Cl2 for 0.5M.