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How many gram of a dibasic acid molwt 200 should be present in 100ml of its aqueous solution to give decinormal strength?
To prepare a decinormal solution of a dibasic acid with a molecular weight of 200 g/mol, you would need 4.0 grams of the acid dissolved in 100 mL of water. This is because a decinormal solution has a concentration of 0.1 equivalent per liter, and since a dibasic acid donates 2 equivalents of protons per molecule, you would need twice the gram equivalent weight of the acid.
What is meant by deci normal solution?
A decinormal solution is a solution that has a concentration of 1/10th (0.1) of a normal solution. It is commonly used in analytical chemistry for titrations and dilutions.
Describe the construction of calomel electrode?
It consists of tube in the bottom of which is a layer of mercury ,over which is placed a paste of Hg+HgCl2.The remaining portion of cell is filled with a solution of normal or decinormal or saturated solution of KCl. a platinum wire dipping into the mercury layer is used for making electrical contact. the side tube is used for electrode is formulated as;Hg,Hg2Cl2,KCl. the electrode can be coupled with the hydrogen electrode of unknown pH.
Is diluted muriatic acid harmful to grass?
1. Hydrochloric acid is one of the strongest acids extant and like any acid is most dangerous when pure or heavily concentrated. Proper precautions should be taken whenever you are dealing with acids of any kind, particularly this one (although you have obtained a large and pure enough sample to be worried is worrying itself).2. Muriatic acid is the "kitchen name" for hydrochloric acid. It is a strong acid, and can be quite corrosive. In concentrated form it should be avoided, or used with care. If used to clean a marble floor good rubber boots and gloves are a must. In dilute form it is less of a problem. Dilute HCl (decinormal) occurs naturally in the human stomach.You should always be careful about allowing any strong acid (whether concentrated or dilute) to come into contact with other chemicals, especially those intended to clean toilets or bleach clothes.
