# Answer: Use the law of constant composition to complete the table summarizing the

Chapter 5, Problem 29P

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QUESTION:

Use the law of constant composition to complete the table summarizing the amounts of nitrogen and oxygen produced upon the decomposition of several samples of dinitrogen monoxide.

$$\begin{array}{lccc} & \text { Mass } \mathrm{N}_{2} \mathrm{O} & \text { Mass N } & \text { Mass O } \\ \hline \text { Sample A } & 2.85 \mathrm{~g} & 1.82 \mathrm{~g} & 1.03 \mathrm{~g} \\ \text { Sample B } & 4.55 \mathrm{~g} & - & - \\ \text { Sample C } & - & - & 1.35 \mathrm{~g} \\ \text { Sample D } & - & 1.11 \mathrm{~g} & - \\ \hline \end{array}$$

QUESTION:

Use the law of constant composition to complete the table summarizing the amounts of nitrogen and oxygen produced upon the decomposition of several samples of dinitrogen monoxide.

$$\begin{array}{lccc} & \text { Mass } \mathrm{N}_{2} \mathrm{O} & \text { Mass N } & \text { Mass O } \\ \hline \text { Sample A } & 2.85 \mathrm{~g} & 1.82 \mathrm{~g} & 1.03 \mathrm{~g} \\ \text { Sample B } & 4.55 \mathrm{~g} & - & - \\ \text { Sample C } & - & - & 1.35 \mathrm{~g} \\ \text { Sample D } & - & 1.11 \mathrm{~g} & - \\ \hline \end{array}$$

Step 1 of 5

First, let’s see what is the law of constant composition :

Law of constant composition states that ‘samples of a pure compound always contain the same elements in the same mass proportion.’

Now, let’s solve the blanks using the given data.

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