The Action of Some Commercial Drain Cleaners Is Based on the Following

question 55

Multiple Choice

The action of some commercial drain cleaners is based on the following reaction:
2 NaOH(s) + 2 Al(s) + 6 H₂O(l) → 2 NaAl(OH) ₄(s) + 3 H₂(g)
What is the volume of H₂ gas formed at STP when 4.32 g of Al reacts with excess NaOH?

• A)2)39 L
• B)3)59 L
• C)5)38 L
• D)5)87 L

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Definitions:

T-test

A statistical test used to compare the means of two groups or samples to determine if there is a significant difference between them.

Means

Statistical term referring to the average value of a set of numbers.

Null Hypothesis

A hypothesis that assumes no significant difference or relationship between variables until evidence suggests otherwise.

Independent Means

Independent means refers to comparing the mean values of different groups in a study that are not related or interconnected.