A compound contains 28% Nitrogen and 72% Metal by mass. 3 atoms of metal combine with 2 atoms of nit — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
A compound contains 28% Nitrogen and 72% Metal by mass. 3 atoms of metal combine with 2 atoms of nitrogen. If the atomic mass of metal is $x$, find $x/4$.
Answer: 6
💡 Solution & Explanation
Ratio of moles $M:N = 3:2$. <br>$\frac{72/M}{28/14} = \frac{3}{2} \Rightarrow \frac{72/M}{2} = 1.5$. <br>$72/M = 3 \Rightarrow M = 24$. <br>$x/4 = 24/4 = 6$. [3, 4]
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