Round Your Answer to the Nearest Tenth, When Appropriate $\mathrm { pH } = - \log \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] , \text {as }$

question 152

Multiple Choice

Round your answer to the nearest tenth, when appropriate. Use the formula $\mathrm { pH } = - \log \left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right] , \text {as }$ needed.
-Find the $\left[ \mathrm { H } _ { 3 } \mathrm { O } ^ { + } \right]$ if the $\mathrm { pH } = 2.3$ .

• A) \(2.7 \times 10 ^ { 1 }\)
• B) \(5.0 \times 10 ^ { - 3 }\)
• C) \(2.0 \times 10 ^ { 2 }\)
• D) \(3.6 \times 10 ^ { - 1 }\)

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Definitions:

Symptothermal

A method of natural family planning that combines the observation of symptoms and body temperature to track fertility.

Basal Body Temperature

The lowest body temperature attained during rest, often used to monitor ovulation and fertility.

Cervical Mucus

The fluid produced by the cervix, which changes in consistency and volume throughout the menstrual cycle, playing a role in fertility.