When Gold Dissolves in Aqua Regia, What Is Reduced

question 175

Multiple Choice

When gold dissolves in aqua regia, what is reduced?

• A)H⁺
• B)N⁺⁵
• C)Cl^-
• D)H₂O
• E)Au

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Definitions:

Standard Deviation

A gauge of the extent to which a collection of numbers varies or is spread out.

Mean Weight

The average weight of a set of objects or individuals, calculated by summing their weights and dividing by the number of objects or individuals.

Standard Deviation

It quantifies the amount of variation or dispersion of a set of data values from its mean, serving as an indicator of the data's spread.

Sobriety

The state of being sober, which can refer to abstinence from alcohol and drugs, or having a clear, unaffected mind.