What Is the Percentage by Mass of Chromium (To Two

question 74

Multiple Choice

What is the percentage by mass of chromium (to two significant figures) in Cr₂S₃?

• A) 40%
• B) 52%
• C) 62%
• D) 71%
• E) none of these

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Definitions:

Developing Countries

Nations with a lower living standard, undeveloped industrial base, and low Human Development Index compared to developed countries.

Leading Killers

Refers to the top causes of mortality, such as heart disease, cancer, and stroke, which vary across different ages, populations, and geographical locations.

Diarrhea

A condition characterized by the frequent passing of loose or watery stools, often a symptom of infection or digestive issues.

Malaria

A life-threatening disease transmitted by mosquitoes carrying the Plasmodium parasite, characterized by fever, chills, and flu-like symptoms.