What is the coefficient of 
when the following equation is balanced?
CN- + Fe3+ → CNO- + Fe2+ (basic solution)
Definitions:
Test-Statistic
A value computed from sample data during a hypothesis test, used to determine whether to reject the null hypothesis.
P-Value
The probability, under the null hypothesis, of obtaining a result equal to or more extreme than what was actually observed.
Null Hypothesis
An assertion for statistical testing that presupposes no significant difference or correlation between specified groups or variables.
Statistical Evidence
Quantitative data used to support or refute a hypothesis or to estimate the truth of a parameter.
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