A Solution Has a PH of 8

question 41

Multiple Choice

A solution has a pH of 8.72. What is the value of [H⁺]?

• A)5.2 × 10 ^{− 6}
• B)1.9 × 10 ^{− 9}
• C)5.2 × 10 ^{− 8}
• D)1.9 × 10 ^{− 5}

---

Definitions:

Replacement Cost

The cost to replace an asset with another of similar nature and capacity at the current prices, without considering any physical deterioration or obsolescence.

Specialised Equipment

Machinery or devices designed for a particular purpose or industry, often requiring specific knowledge or skills to operate.

Replacement Cost

The amount of cash or cash equivalent required to replace an asset at its current or similar utility.

Net Present Value

The difference between the present value of cash inflows and the present value of cash outflows over a period of time.