If 0.2 mol of the following substances are required how many grams of those substances should be taken?
Sodium chloride, magnesium oxide, calcium carbonate

Solve the following examples: If 0.2 mol of the following substances are required how many grams of those substances should be taken? Sodium chloride

Solve the following examples: If 0.2 mol of the following substances are required how many grams of those substances should be taken? Magnesium oxide

Answer the following questions: Classify aqueous solutions of the following substances according to their pH into three groups: 7, more than 7, less than 7. Common salt, sodium acetae, hydrochloric acid, carbon dioxide, potassium bromide, calcium hydroxide, ammonium chloride, vinegar, sodium carbonate, ammonium, sulphur dioxide.

Answer the following questions: How are sodium , magnesium and potassium obtained from their molten chloride salts ?

Write the chemical formulae of the following compounds : Calcium carbonate, Sodium bicarbonate, Silver chloride, Calcium hydroxide, Magnesium oxide, Ammonium phosphate, Cuprous bromide, Copper sulphate, Potassium nitrate, Sodium dichromate

Solve the following examples: What is the mass in grams of 0.4 mole of carbon dioxide (CO_2) ?

In how many of the following , the oxidation state of transition metal is +6 ? Potassium ferrate, Manganese dioxide, Chromyl chloride, Sodium chromate, Potassium permanganate, Cupric chloride

Identify the CORRECT statements. The mass of one mole of a substance in grams is called its molar mass. The formula mass of a substance is the sum of atomic masses of atoms present in the formula. One mole is the amount of a substance that contains as many entities or particles as there are atoms in exactly 12 g of the carbon-10 isotope.

Explain what happens when following reactions take place and give the balanced chemical equations. Sodium carbonate solution is added to calcium chloride solution.

How many g of H_2 O are present in 0.25 mol of it ?