Muriatic acid, an industrial grade of concentrated HCl, is used to clean masonry and cement. Its concentration is 11.7 M. For routine use, a diluted solution of 3.50 M is prepared. How many milliliters of 3.50 M muriatic acid solution contain 79.9 g of HCl?

625.4mL

Explanation:

Hello,

To solve this question, we can use "mole concept" which is a method whereby you use the relationship between mole, volume, mass etc to solve to unknown parameters.

From the question,

3.50M = standardized solution

3.50 mole = 1L

1 mole = xL

x = (1 × 1) / 3.50

x = 0.2857L

But 1 mole = molar mass

Molar mass of HCl = 1 + 35.5 = 36.5g/ mol

Relating the molar mass to the volume, I.e 36.5g is present in 0.2857L

36.5g = 0.2857L

79.9g = yL

y = (79.9 × 0.2857) / 36.5

y = 22.82743 / 36.5

y = 0.6254L

Converting 0.6254L to mL = 0.6254 × 1000 = 625.4mL

Therefore, 79.9g of HCl is present in 3.50M of muriatic solution.

mechanics (greek   is that area of science concerned with the behaviour of physical bodies when subjected to forces or displacements, and the subsequent effects of the bodies on their environment. the scientific discipline has its origins in ancient greece with the writings of aristotle and archimedes[1][2][3] (see history of classical mechanics and timeline of classical mechanics). during the early modern period, scientists such as galileo, kepler, and newton laid the foundation for what is now known as classical mechanics. it is a branch of classical physics that deals with particles that are either at rest or are moving with velocities significantly less than the speed of light. it can also be defined as a branch of science which deals with the motion of and forces on objects. the field is yet less widely understood in terms of quantum theory.

explanation: