Question

What is the mass percentage of Cl in hydrochlorothiazide, C₇H₈ClN₃O₄S₂?

Answer 1

Explanation:

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Answer 2

Given:

Hydrochlorothiazide, C₇H₈ClN₃O₄S₂

To Find: Mass percentage of Cl in hydrochlorothiazide

Solution:

Molecular mass of Cl $=35.5$

Molecular mass of $\[{C_7}{H_8}Cl{N_3}{O_4}{S_2}\]$ $\[ = 7 \times 12 + 8 \times 1 + 35.5 \times 1 + 14 \times 3 + 16 \times 4 + 32 \times 2\]$

Molecular mass of $\[{C_7}{H_8}Cl{N_3}{O_4}{S_2}\]$ $\[ = 84 + 8 + 35.5 + 42 + 64 + 64\]$

Molecular mass of $\[{C_7}{H_8}Cl{N_3}{O_4}{S_2}\]$ $\[ = 297.5\]$

Mass percentage of chlorine in C₇H₈ClN₃O₄S₂ can be given as:

Mass percentage $\[ = \frac{{35.5}}{{297.5}} \times 100\]$

Mass percentage $\[ = 11.93\% \approx 12\% \]$

Hence, the mass percentage of of Cl in hydrochlorothiazide, C₇H₈ClN₃O₄S₂ is $\[11.93\% \approx 12\% \]$.