250 mL of a sodium carbonate solution contains 2.65 g `Na_(2)CO_(3)`. If 10 mL of this solution is diluted to one litre, what is the concentration of resultant solution?

250 ml of a sodium carbonate solution contains 2.65 grams of Na_(2)CO_(3) . If 10 ml of this solution is diluted to one litre,what is the concentration of the resultant solution? (mol.wt. of Na_(2)CO_(3)=106 )

250 ml of a sodium carbonate solution contains 2.65 grams of Na_(2)CO_(3) . If 10 ml of this solution is diluted to one litre, what is the concentration of the resultant solution (mol. Wt. of Na_(a) CO_(3)=106 )

250 ml of a sodium carbonate solution contains 2.65 grams of Na_(2)CO_(3) . If 10 ml of this solution is diluted to one litre, what is the concentration of the resultant solution (mol. Wt. of Na_(a) CO_(3)=106 )

250 ml of a calcium carbonate solution contains 2.5 grams of CaCO_(3) . If 10 ml of this solution is diluted to one litre, what is the concentration of the resultant solution ?

HCI is labelled as 3.65% (w/v) 10ml of the solution is diluted to 1 lit. The proton concentration in the resulting solution is

250 mL of a Na_(2)CO_(3) solution contains 2.65 g of Na_(2)CO_(3).10mL of this solution is added to xml of water is obtain 0.001 M Na_(2)CO_(3) solution. The value of x is :