06/07/2016 EN (English US) Page 1 SECTION 1: Identification 1.1. Identification Product form : Mixture Product name : Hydrochloric Acid, 0.2N (0.2M) Product code : LC15240 1.2. Relevant identified uses of the substance or mixture and uses advised against Use of the substance/mixture : For laboratory and manufacturing use only 1.3. 1. Weigh 4 g NaOH. 2. Put this NaOH in a 1 L volumetric flask. 3. Add slowly 100 mL distilled water and stir. 4. Put the flask in a thermostat at 20 0C and maintain for 1 hour. 5. Add distilled weigh out 365g of HCl pellets and dilute to 1 liter to prepare the 10N HCl solution. Reasons:N is short for NORMAL SOLUTIONS, The definition of a NORMAL SOLUTION is a solution that contains 1 gram Gram-equivalent weight of HCl is one mole of HCl is 1.008 + 35.453 = 36.461 g. 1N HCl means, 1g equivalent of HCl (Hydrochloric acid) dissolved in 1L solution. So N / 10 HCl solution means, according to the definition of normality, 0. 1 g equivalent of HCl dissolved in 1 L of solution. Suggest Corrections. The example below demonstrates the technique to solve a titration problem for a titration of sulfuric acid with sodium hydroxide. Example 21.18.1. In a titration of sulfuric acid against sodium hydroxide, 32.20mL of 0.250MNaOH is required to neutralize 26.60mL of H 2SO 4. Calculate the molarity of the sulfuric acid. Concentrated HCl is typically 12M (or 12N), and it is prepared by diluting it in 1 part to 5 parts water. (ie: 100ml to 500 ml). In other words, using the conservation of volume equation M1V1 (1 u is equal to 1/12 the mass of one atom of carbon-12) Molar mass ( molar weight ) is the mass of one mole of a substance and is expressed in g/mol. Mole is a standard scientific unit for measuring large quantities of very small entities such as atoms and molecules. Converting From Molarity to Normality. You can convert from molarity (M) to normality (N) using the following equation: N = M*n. where n is the number of equivalents. Note that for some chemical species, N and M are the same (n is 1). The conversion only matters when ionization changes the number of equivalents. Reaction. The hydronium ion is an important factor when dealing with chemical reactions that occur in aqueous solutions. Its concentration relative to hydroxide is a direct measure of the pH of a solution. It can be formed when an acid is present in water or simply in pure water. It's chemical formula is H 3O +. A 30% HCl solution has a density of 1.149 kg/L, a pH of -1, and a melting point and boiling point of -52°C and 90°C respectively. Handling Hydrochloric Acid – MSDS Advice Hydrochloric acid is a hazardous liquid and has its own material safety data sheet (MSDS). FTqKt.