solve Q 11 ans. 2.5*10^-3M

solve Q 11 ans. 2.5*10^-3M 6 7 0 12 13 in this water A S 90 solution of ROH in water contains hy mass of KOI l. What is density of' solution in gnhnl. of Na' ion in human body is to 4 gm per litre. The molarity of Na' is What is the concentration ofchloride ion. in molarity. in a solution containing 10.56 gm BaC12.811,O per litre of solution ? (Ba— 137) •nr•concentration ofasolution is nnd (WA'). Calculate density (in gm'mn.ofsolution'.' The mole fraction of solute in aqueous urea solution is 0.2. Calculate the mass percent ot•solute ? The concentration of Ca(llCO.), in a sample of hard water is 405 ppm. The density Of uater sample is I .0 gm/ml. Calculate the molarity of solution 0.115 gm of sodium metal was dissolved in 500 ml the solution in distilled water. Calculate the molarity of the solution? How much BaCl, (in gm) would be needed to make 250 ml of a solution having the same concentration ofCl- as one containing 1.825 gm VICI per ml ? (Ba- 137) a e molality (m) ofeach ion present in the aqueous solution of 2M NII,CI assuming 100%

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