Determine the Number of Grams H₂ Formed When 250

question 214

Multiple Choice

Determine the number of grams H₂ formed when 250.0 mL of 0.743 mol L^-1 HCl solution reacts with 3.41 × 10²³ atoms of Fe according to the following reaction:
2HCl(aq) + Fe(s) → H₂(g) + FeCl₂(aq)

• A) 0.374 g
• B) 1.33 g
• C) 1.14 g
• D) 0.187 g
• E) 1.51 g

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Definitions:

Result

The outcome or consequence of an action, experiment, or process.

Statistically Significant

A term indicating that the results of a study are unlikely to have occurred by chance alone, according to predefined criteria.

Experimental Group

The group in a scientific study that receives the treatment or intervention being tested, in contrast to the control group.

Control Group

in experiments, a group of subjects that does not receive the experimental treatment and is used as a baseline to compare the effects of that treatment.