Household bleach which has a ph of 12.6 has more hydroxide (oh-) ions than lye which has a ph of 13.
2 answers:
Answer:
Household bleach has more hydroxide ions than lye.
Explanation:
The pH of the solution id the negative logarithm of hydrogen ion concentration in an aqueous solution.
- Higher the pH value lessor the hydrogen ion concentration in the solution. Higher will be the concentration of hydroxide ions
- Lower the pH value higher the hydrogen ion concentration in the solution.Lower will be the concentration of hydroxide ions.
The pH of the household bleach = 12.6
The pH of the lye= 13
Since , house hold bleach has the lower pH than lye which means that it will have higher concentration of hydroxide ions.
Answer is: false, concentration of hydroxide ions is greater in lye than in household bleach.
1) pH = 12.6.
pH + pOH = 14.
pOH = 14 - 12.6.
pOH = 1.4.
pOH = -log[OH⁻] ⇒ [OH⁻] = 10∧(-pOH).
[OH⁻] = 10∧(-1.4) = 0.039 M; concentration of hydroxide ions.
2) pH = 13.
pOH = 14 - 13.
pOH = 1.
[OH⁻] = 10⁻¹ M = 0.1 M.
0.1 M > 0.039 M.
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