A 1000 ML Sample of 0

question 44

Multiple Choice

A 100.0 mL sample of 0.20 M HF is titrated with 0.10 M KOH.Determine the pH of the solution before the addition of any KOH.The K_a of HF is 3.5 × 10^-4.

• A)4.15
• B)0.70
• C)2.08
• D)3.46
• E)1.00

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Definitions:

Negative Exponent

Indicates that the base of the exponent should be reciprocated and the exponent made positive.

Arithmetic Sequence

A series where each number following the initial one is derived by adding a fixed value to the term before it.

Nth Term

The general term of a sequence, represented as a function of its position, n, in the sequence.

Formula

A concise way of expressing information symbolically, such as a mathematical or chemical formula.