What Is the PH of Pure Water at 40

question 10

Multiple Choice

What is the pH of pure water at 40.0°C if the K_w at this temperature is 2.92 × 10^-14?

• A) 6.767
• B) 0.465
• C) 7.000
• D) 7.233
• E) 8.446

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Definitions:

Annual Cash Flows

The total amount of money being transferred into and out of a business, captured yearly.

Cross-over Rate

The Cross-over Rate is the point at which two different projects or investments have the same net present value or rate of return, used in capital budgeting to compare projects.

Initial Cash Outlay

The total amount of money required upfront to initiate a project, investment, or venture.

Discount Rate

This is the interest rate used in DCF evaluations to establish the current value of expected future cash inflows.