How many grams of `Na_(2)CO_(3)` should be disso,ved to make `100cm_(3) of 0.15 M NA_(2)CO_(3)` solution.

Common name of Na_2 CO_3 . 10H_2O

What is the molarity of 0.2N Na_2CO_3 solution ?

How are 0.50mol Na_(2)CO_(3) and 0.50M Na_(2)CO_(3) different?

How many grams of CaO is obtained on heating 100g of CaCO3?

What is the molar solubility of Ag_(2)CO_(3)(K_(sp)=4xx10^(-13)) in 0.1M Na_(2)CO_(3) solution ?

How many grams of concentrated nitric acid soluton should be used to prepare 250mL of 2.0M HNO_3 ? The concentrated acid is 70% HNO_3 .

How many moles of of HCl are present in 250cm3 of 0.5 M HCl solution .

5 g sample contain only Na_(2)CO_(3) and Na_(2)SO_(4) . This sample is dissolved and the volume made up to 250 mL. 25 mL of this solution neutralizes 20 mL of 0.1 M H_(2)SO_(4) . Calcalute the % of Na_(2)SO_(4) in the sample .

What volume of 10%(w/v) solution of Na_2CO_3 will be required to neutralise 100 mL of HCl solution containing 3.65 g of HCl?