When the Following Equation Is Balanced,the Coefficients Are ________

question 136

Multiple Choice

When the following equation is balanced,the coefficients are ________. Al(NO₃) ₃ + Na₂S → Al₂S₃ + NaNO₃

• A)2, 3, 1, 6
• B)2, 1, 3, 2
• C)1, 1, 1, 1
• D)4, 6, 3, 2
• E)2, 3, 2, 3

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Definitions:

Mean

The average value of a set of numbers, calculated by dividing the sum of all the values by the number of values.

Least Squares

Least squares is a mathematical method used to find the best-fitting line or curve to a set of points by minimizing the sum of the squares of the differences between the observed and estimated values.

Squared Vertical Distances

The square of the vertical distance from each data point to a line (often in the context of regression analysis), used to measure deviation or error.

Regression Analysis

A statistical method for examining the relationship between a dependent variable and one or more independent variables.