Formaldehyde Has the Formula CH₂O

question 18

Multiple Choice

Formaldehyde has the formula CH₂O. How many molecules are there in 0.11 g of formaldehyde?

• A)6.1 * 10^-27
• B)3.7 * 10^-3
• C)4
• D)2.2 * 10²¹
• E)6.6 * 10²²

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Definitions:

Normal Distribution

A bell-shaped curve that shows data distribution where most measurements are centered around the mean, denoting a predictable pattern of variability.

Probability

A measure of the likelihood that an event will occur, expressed as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Sampling Distribution

This is the probability distribution of a given statistic based on a random sample.

Variance

A measure of the spread or dispersion of a set of data points, indicating how much the values differ from the mean of the set.