Practice question
Question
How much water must be added to 10 mL of 0.5M HCl to dilute it tenfold?
Explanation
90mL is obtained by applying the relevant formula or quantitative relationship to the given parameters. In Water and Mole Concept, numerical problem-solving requires understanding the mathematical relationships between biological variables. The calculation involves substituting the provided values into the appropriate equation and solving systematically. The other options (10mL, 100mL, and 990mL) result from common calculation errors such as using incorrect formulas, misidentifying variables, inverting ratios, or making arithmetic mistakes.
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