Question
A mixture of $\mathrm{NaCl}$ and $\mathrm{NaBr}$ has a mass of 2.00 $\mathrm{g}$ and contains 0.75 $\mathrm{g}$ of Na. What is the mass of NaBr in the mixture?
Step 1
Let's denote the mass of $\mathrm{NaCl}$ as $x$ and the mass of $\mathrm{NaBr}$ as $y$. We know that the total mass of the mixture is 2.00 g, so we can write the equation as: \[x + y = 2.00 \tag{1}\] Show more…
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