QuestionJune 11, 2025

Muriatic acid, an industrial grade of concentrated IICI.is used to clean masonry and cement. Its concentration is 11.7 M.For routine use, a diluted solution of 3.50 Mis prepared, How many milliters of 3.50 M muriatic acid solution contain 8.778 of HCl? Be sure your answer has the correct number of significant figures. square mL

Muriatic acid, an industrial grade of concentrated IICI.is used to clean masonry and cement. Its concentration is 11.7 M.For routine use, a diluted solution of 3.50 Mis prepared, How many milliters of 3.50 M muriatic acid solution contain 8.778 of HCl? Be sure your answer has the correct number of significant figures. square mL
Muriatic acid, an industrial grade of concentrated IICI.is used to clean masonry and cement. Its concentration is 11.7 M.For routine use, a diluted solution of
3.50 Mis prepared, How many milliters of 3.50 M muriatic acid solution contain 8.778 of HCl? Be sure your answer has the correct number of significant
figures.
square  mL

Solution
4.6(155 votes)

Answer

68.5 mL Explanation 1. Calculate moles of HCl Use the formula **moles = \frac{\text{mass}}{\text{molar mass}}**. The molar mass of HCl is 36.46 g/mol. So, moles of HCl = \(\frac{8.77 \, \text{g}}{36.46 \, \text{g/mol}}\). 2. Calculate volume of 3.50 M solution Use the formula **Molarity (M) = \frac{\text{moles}}{\text{volume in liters}}**. Rearrange to find volume: volume = \(\frac{\text{moles}}{\text{Molarity}}\). Convert volume from liters to milliliters by multiplying by 1000.

Explanation

1. Calculate moles of HCl<br /> Use the formula **moles = \frac{\text{mass}}{\text{molar mass}}**. The molar mass of HCl is 36.46 g/mol. So, moles of HCl = \(\frac{8.77 \, \text{g}}{36.46 \, \text{g/mol}}\).<br /><br />2. Calculate volume of 3.50 M solution<br /> Use the formula **Molarity (M) = \frac{\text{moles}}{\text{volume in liters}}**. Rearrange to find volume: volume = \(\frac{\text{moles}}{\text{Molarity}}\). Convert volume from liters to milliliters by multiplying by 1000.
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