How to Dissolve Magnesium Chloride

Magnesium chloride is used in the making of tofu.
••• Brand X Pictures/Brand X Pictures/Getty Images

Magnesium chloride is the chemical compound with the formula MgCl2. It is an inorganic salt, which is highly soluble in water. This salt is commonly used as a de-icer agent; the solution of magnesium chloride is sprayed on the road pavement to prevent snow and ice adhering. This compound is also used in biochemistry as well as in some cooking recipes. The concentration of the dissolved magnesium chloride is usually expressed with the percent units--10 percent solution, for example.

    Calculate the mass of magnesium chloride required to prepare the solution using the following equation: mass (MgCl2) / (mass (MgCl2) + mass (water) = percent concentration. For example, to make 400 ml of solution with the salt concentration of 10 percent you need: mass (MgCl2) = (400 x 0.1) / (1 - 0.1) = 44.44 grams. Note that 0.1 is 10 percent in the decimal form.

    Weigh the computed amount of magnesium chloride on the scale.

    Pour water (400 ml in this example) into a beaker.

    Add magnesium chloride (44.44 g in this example) to the water in the beaker.

    Stir the solution using a spoon until the salt completely dissolves.

    Things You'll Need

    • Calculator
    • Scale
    • Beaker
    • Spoon

Related Articles

How to Prepare Buffer Solutions
How to Calculate the Percent Weight Per Volume
Conversion of PPM to Micromoles
How to Calculate Moles
How to Calculate Mole Fractions Using Mass Percent
How to Calculate Millimolars
How to Calculate the Final Concentration of a Solution...
How to Make a 1% Sucrose Solution
How to Make a Five Percent Solution With Salt
How to Calculate Percent Solids by Weight
How to Calculate Solubilities
How to Convert UG/mL to PPM
How to Find Mass Percentage
How to Make Sodium Carbonate Solution
How to Dissolve Sodium Bicarbonate
What Is Molarity & How Is It Calculated?
How to Dissolve Copper Sulfate
How to Calculate Particle Concentration
How to Convert Nanograms to Milligrams

Dont Go!

We Have More Great Sciencing Articles!