A Mass of 4

question 29

Multiple Choice

A mass of 4.00 g of H₂(g) reacts with 2.00 g of O₂(g) .If 1.94 g of H₂O(l) is collected,what is the percent yield of the reaction?
2H₂(g) + O₂(g) → 2H₂O(l)

• A) 5.4 %
• B) 49 %
• C) 32 %
• D) 86 %
• E) 97 %

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Definitions:

Odds Ratio

The odds that y = 1 given that one of the independent variables increased by one unit (odds1) divided by the odds that y = 1 given no change in the values for the independent variables (odds0); that is, Odds ratio = odds1 / odds0.

Estimated Income

An estimate of the revenue anticipated to be generated during a certain timeframe.

Yearly Income

The total pre-tax earnings received by an individual or household over the course of one year from all sources combined.

SST

Total Sum of Squares, a measure used in statistics to quantify the variance in a dataset.