WBJEE · Chemistry · Some Basic Concepts of Chemistry
The volume of ethyl alcohol (density \(1.15 \mathrm{g} / \mathrm{cc}\) ) that has to be added to prepare \(100 \mathrm{cc}\) of \(0.5 \mathrm{M}\) ethyl alcohol solution in water is
- A \(1.15 \mathrm{cc}\)
- B \(2 \mathrm{cc}\)
- C \(2.15 \mathrm{cc}\)
- D \(2.30 \mathrm{cc}\)
Answer & Solution
Correct Answer
(B) \(2 \mathrm{cc}\)
Step-by-step Solution
Detailed explanation
Molarity \(=\frac{\text { mass } \times 1000}{\text { molecular weight } \times \text { volume of solution }}\) Molecular weight of ethyl alcohol,…
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