How Much Time (Min)will It Require to Plate Out 4

question 52

Multiple Choice

How much time (min) will it require to plate out 4.56 g of Ni metal from a solution of Ni²⁺ using a current of 35.5 amps in an electrolytic cell?

• A)4.55
• B)3.52
• C)211
• D)7.04
• E)422

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Definitions:

Null Hypothesis

A statement in statistics that assumes there is no significant difference or effect in a given situation, until evidence proves otherwise.

Sample Size

The number of subjects included in a study, influencing the study's ability to reliably detect effects or differences.

Type I Error

The incorrect rejection of a true null hypothesis, often referred to as a "false positive."

Type II Error

A statistical mistake that occurs when a test fails to reject a false null hypothesis.