How Many Moles Are in a 0

question 50

Multiple Choice

How many moles are in a 0.53-kg sample of sulphur dioxide,SO₂? (atomic masses: C = 32 u;O = 16 u)

• A)5.2
• B)8.3
• C)48
• D)1.6 × 10⁴
• E)5.0 × 10²⁴

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Definitions:

Confidence Interval

A range of values derived from sample data that is likely to contain the value of an unknown population parameter, expressed at a given level of confidence.

Sample Sizes

The number of individuals or observations included in a sample, which represents a portion of the larger population for the purpose of conducting statistical analysis.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter.

Level of Confidence

A statistical measure expressed as a percentage that indicates the reliability of an estimate or range of values.