A 2.0 g sample containing `Na_2CO_3` and `NaHCO_3` loses 0.248 g when heated at 300° C, the temperature at which NaHC03 decomposes to `Na_2CO_3, CO_2` and `H_2O`. What is the percentage of `Na_2CO_3` in the mixture ?

A 4.0 g of mixture of Na_(2)CO_(3) and NaHCO_(3) loses 0.248 g when heated to 300^@C , the temperature at which NaHCO_(3) decomposes to Na_(2)CO_(3), CO_(2) and H_(2) O . What is the percentage of Na_(2) CO_(3) in mixture?

The solution of Na_2CO_3 has PH

One more of a mixture of Li_(2)CO_(3) and Na_(2)CO_(3) forms 0.75 mol of CO_(2) at NTP: What is percentage of each in the mixture? "

4g of mixture of Na_(2)CO_(3) and NaHCO_(3) on heating liberates 448 ml of CO_(2) at STP. The percentage of Na_(2)CO_(3) in the mixture is

Na_(2) CO_(3). 10 H_(2) O is

What is the action of heat on Na_2CO_3 . 10H_2O ?

5g sample contain only Na_2CO_3 and Na_2SO_4 . This sample is dissolved and the volume made up to 250mL. 25mL of this solution neutralizes 20mL of 0.1M H_2SO_4 . Calculate the percent of Na_2SO_4 in the sample.

10 g mixture of NaHCO_(3) and Na_(2)CO_(3) has 1.68 g NaHCO_(3) . It is heated at 400 K . Weight of the residue will be

Find the percentage mass of water in washing soda crystals Na_2CO_3 , 10H_2O.