Tag: Chemistry Lab

Solubility product

After reading this reader will be able to: Define the term solubility product constant Find out the value of solubility product constant after knowing the value of solubility of corresponding compounds Calculate the solubility of a compound from its solubility product constant Source: Internet ( By searching google) Click Here For This PPT

Synthesis of tetraamminecopper(II) sulphate

Preparation of  the complex compound [Cu(NH3)4]SO4, according to the following procedure: Dissolve the supplied sample in 3 mL distilled water, and then add 5 mL concentrate NH3. Precipitate the tetraammine complex by adding drop-wise 5 mL of rectified spirit. After keeping the mixture in cold for an hour, filter the precipitate on a buckner funnel, wash it with 5 mL of 1:1 alcohol-ammonia mixture and finally with 5 mL alcohol…

Estimation of the amount of copper present in the supplied sample

The amount of copper present in the supplied sample can be determined by the following way: Step 1. Prepare a standard solution of potassium dichromate and standardize the supplied thiosulphate solution in the usual manner. Step 2. Dilute the supplied sample to 250 mL in a volumetric flask and shake well (B). Take 25 mL of the previously diluted solution (B) with a pipette and deliver into a 250 mL…

Estimation of the amount of iron present in the supplied sample

The amount of iron present in the supplied sample can be estimated according to the following procedure: Step 1. Prepare approximately 0.0167 M solution of K2Cr2O7 . Step 2. Dilute the supplied sample to 250 mL in a volumetric flask and shake well (A). Take 25.00 mL of the diluted sample (A) with a pipette into a 500 mL conical flask, add 5 mL of concentrate HCl to the sample…

January 2023
S S M T W T F
 123456
78910111213
14151617181920
21222324252627
28293031  

Categories

Search

Recent Comments

    Archives