Question

Determine the concentration all the element 20.1 m solution of hcl

Answer 1

Answer:

Divide the mass of the solute by the total mass of the solution. Set up your equation so the concentration C = mass of the solute/total mass of the solution. Plug in your values and solve the equation to find the concentration of your solution. In our example, C = (10 g)/(1,210 g) = 0.00826.

Answer 2

Explanation:

With this data you have enough to calculate the molarity of your HCL solution

First you must know that the molarity is not more than the moles of solute per liters of dissolution

Now, according to your data: 35-38% refers to the percentage of purity of the reagent and the weight per milliliter refers to the density.

Firstly

The purity is the grams of solute per 100 grams of solution, therefore a% purity of 37 (the average value between 35-38%) means that you have 37g / 100g of solution.

The density as I said at the beginning are the grams of solute per liter of solution, therefore 1.8g / ml would be 1180g / L

To be able to express the concentration in moles (molarity) you need the molar mass of the acid, in this case the molar mass of the HCL is 36.46, this value can be calculated according to the sum of the atomic masses of the elements that form the molecule.

It would remain this way