`1g` mixture of equal number of mole of `Li_2 Co_3` and other metal carbonate `(M_2 CO_3)` required `21.6 mL` of `0.5 NHCI` for complete neutralisation reaction. What is the approximate atomic mass of the other metal ?

0.1g of a solution containing Na_2 CO_3 and NaHCO_3 requires 10mL of 0.01 N HCI for neutralization using phenolphthalein as an indicator. mass % of Na_2 CO_3 in solution is :

A mineral consists of an equimolar mixture of the carbonates of two bivalent metals. One metal is present to the extent of 12.5% by mass 2.8g of the mineral on heating lost 1.32g of CO_2 . What is the % by mass of the other metal ?

A metal oxide has the formula X_2O_3 . It can be reduced by hydrogen to give free metal and water. 0.1596g of metal oxide requires 6mg of hydrogen for complete reduction. The atomic mass of the metal (in amu) is :

A mixture of H_(2)SO_(4) and H_(2)C_(2)O_(4) (oxalic acid ) and some inert impurity weighing 3.185 g was dessolved in water and the solution made up to 1litre. 10 mL of this solution required 3 mL of 0.1 N NaOH for complete neutralization. In another experiment 100 mL of the same solution in hot condition required 4 mL of 0.02 M KMnO_(4) solution for complete reaction. The mass % of H_(2)SO_(4) in the mixture was:

4 mole of a mixture of Mohr's salt and Fe_2(SO_4)_3 requires 500mL of 1 M K_2Cr_2O_7 for complete oxidation in acidic medium. The mole % of the Mohr's salt in the mixture is :

A sample of 28 mL of H_(2) O_(2) (aq) solution required 10 mL of 0.1 M KMnO_(4) (aq) solution for complete reaction in acidic medium. What is the volume strength of H_(2)O_(2) ? X

What is the mass of 0.1 mole of CO_2 in g ?

One gm metal M^(3+) was discharged by the passage of 1.81xx10^(23) electrons.What is the atomic mass of metal?

What is the oxidation number of carbon in the following : H2CO3

The formula of an acid is HXO_2 . The mass of 0.0242 moles of the acid is 1.657g . What is the atomic mass of X ?