What volume of (density ) is needed to make of ? — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
What volume of $98\% \text{ (w/w) } H_2SO_4$ (density $1.8 \text{ g/mL}$) is needed to make $1 \text{ L}$ of $0.1 \text{ M } H_2SO_4$?
Answer: A
💡 Solution & Explanation
$M_{initial} = (10 \times 1.8 \times 98) / 98 = 18 \text{ M}$. <br>$18 \times V = 0.1 \times 1000 \Rightarrow V = 100 / 18 \approx 5.55 \text{ mL}$.
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