What is the difference between a strong acid and a weak acid? (2 points)
a. a strong acid has a higher ph than a weak acid.
b. a strong acid is 100% ionized; a weak acid is less than 100% ionized.
c. a strong acid is diprotic or triprotic; a weak acid is monoprotic.
d. a strong acid has a greater concentration of hydroxide ions compared to a weak acid.

The correct answer is Option b.

Explanation:

An acid is defined as the substance which looses hydrogen ions when dissolved in water.

A strong acid is defined as the substance which gets completely dissociated into its ions when dissolved in water. Their percentage ionization is equal to 100 %. For Example: etc.. They can be monoprotic, diprotic or tripotic.

A weak acid is defined as the substance which does not get completely dissociated into its ions when dissolved in water. Their percentage ionization is less than 100 %. For Example: etc.. They can be monoprotic, diprotic or tripotic.

Hence, the correct answer is Option b.

you did not give any options thus this is the best answer i can give to you with this little information you have given

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as given the equation is

2al + 6 hcl > 2 alcl3 + 3 h2(g)

as per equation two moles of aluminum reacts with six moles of hcl to give two moles of alcl3 and three moles of hydrogen gas

given: three moles of al are present and 7 moles of hcl

for three moles of aluminum nine moles of hcl will be required

however as 7 moles of hcl are present so the limiting reagent is hcl

hcl is going to decide the number of moles of product formed

when six moles of hcl are present = 3 moles of h2 are formed

when one mole of hcl is present == 3/6 mole sof h2 will be formed

when 7 moles of hcl are present = 3 x 7/ 6 moles of h2 will be formed = 3.5 moles of h2