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Solved: Calculate the density of hydrogen bromide (HBr)

Chapter 5, Problem 48P

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QUESTION:

Calculate the density of hydrogen bromide (HBr) gas in grams per liter at 733 mmHg and \(46^{\circ} \mathrm{C}\).

Questions & Answers

QUESTION:

Calculate the density of hydrogen bromide (HBr) gas in grams per liter at 733 mmHg and \(46^{\circ} \mathrm{C}\).

ANSWER:

Step 1 of 2

The goal of the problem is to calculate the density of hydrogen bromide (HBr) gas in grams per liter at 733 mmHg and \(46^{\circ} \mathrm{C}\).

Given:

\(\begin{array}{l}
T=46^{\circ} \mathrm{C}=46+273=319 \mathrm{~K} \\
P=733 \ \mathrm{mmHg} \\
d=?
\end{array}\)

The formula to find molar mass can be used to find the density of gas:

\(\mathrm{M}=\frac{d R T}{P}\)

This can be rewritten as:

\(\mathrm{d}=\frac{P M}{R T}\)

R = gas constant = 0.0821 L.atm mol-1 K-1

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