How many gram water should be added in 200gm of `104.5%` labelled oleum sample to make the new
labelling equal to `5225/52%?`

How many grams should be added to 2kg 300g to make it 5kg 68g?

How many grams of NaOH should be added to water to prepare 250 ml solution of 2 M NaOH?

How many grams of NaOH should be added to water to prepare 250 ml solution of 2 M NaOH?

How many grams of potassium chloride should be added to 1.5 kg of water to lower its freezing point to - 7.5^(@) C ?

" How many grams of solute should be added in "100g" water to get a solution of density "1.2g/ml" and strength "5%" ( "w/v" )? "