What Is the %(W/w) of a Salt Solution Prepared by Dissolving

question 98

Multiple Choice

What is the %(w/w) of a salt solution prepared by dissolving 7.5 g of salt in 242.5 g of water?

• A) 0.030%
• B) 0.30%
• C) 0.75%
• D) 3.0%

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Definitions:

Mental Set

A psychological tendency to approach situations in a specific way due to past experiences and habits, which can sometimes hinder problem-solving.

Test Proctors

Individuals responsible for supervising exams to ensure that the rules and regulations are followed by all test-takers.

Cheating

The act of being dishonest or unfair in order to gain an advantage, especially in contexts such as academic studies or sports.

Availability Heuristic

The availability heuristic is a cognitive bias wherein individuals judge the likelihood of events based on their ability to easily recall examples, rather than on objective information or statistical probability.