Hydrochloric Essay Examples

Investigating Rates of Reactions

Investigate which factors out of temperature, surface area and concentration speed up the reaction between magnesium and hydrochloric acid the most. Chemical reaction: Mg (s)+ 2HCI (aq)==> MgCI2 (aq)+H2 (g) Prediction: I think the most effective factor to speed up the rate of reaction will be temperature, I say this because when the molecules are… View Article

Involves and acid and a metal

The Problem: To investigate one of the factors affecting the rate of reaction between a metal and an acid. Background Knowledge: The balanced equation for the reaction that takes place between magnesium and hydrochloric acid is: Mg + 2HCl ==> MgCl + Cl From this equation, we can already see that it involves and acid… View Article

The amount of carbon dioxide

5 mls of water, 10 mls of HCl and 10 mls of water, 7. 5 mls of HCl and 12. 5 mls of water, 5mls of HCl and 15 mls of water, 2. 5 mls of HCl and 17. 5 of water. We then repeated all these results 5 times so that we could take… View Article

Titration aim my aim is to find the volume

Aim My aim is to find the volume of hydrochloric acid needed to neutralise sodium hydroxide. Theory Titration is a laboratory method used to analyse a chemicals concentration. In this experiment 10cm3 of sodium hydroxide should be neutralised by 10cm3 of hydrochloric acid. Phenolphthalein is used in this experiment as an indictor where the base… View Article

Hydrolysis of an ester

For the hydrolysis of methyl benzoate, care must be taken throughout the procedure as a number of dangerous substances are being used. During the procedure a labcoat, goggles, and gloves must be worn throughout. Specific safety instructions for chemicals or procedures are explained in the step that they are introduced. Observations, readings, and necessary safety… View Article

The burette was cleaned with de-ionized water

To determine relative molecular mass of a soluble base, X2CO3 by carrying out an acid-base titration with the following reaction , knowing the amount of hydrochloric acid used and the amount of substance Z used. Hypothesis: The X in substance Z is a group 1 element because substance Z is a soluble metal carbonate and… View Article

Atomic mass unit

Substance Z is sodium carbonate because the relative atomic mass of X calculated is 22. 99. The actual relative atomic mass of sodium is 22. 99. Hence, we can conclude X is sodium. 6) If de-ionized water was added into the volumetric flask beyond the calibration mark, the exact concentration of the solution of standard… View Article