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of K,SO, are present in 1115 ml, of 0 516 M K,so. 10. How many contain 2.528 g o

ID: 557092 • Letter: O

Question

of K,SO, are present in 1115 ml, of 0 516 M K,so. 10. How many contain 2.528 g of NaNo,7 11. How many milliliters of 0.503 M NaNO) s of 0.748 M Mg(NO), contain 1.700 g of Mg(NO)? No, contain 1.873 g of NaNO 13. How many milliliters of 0.303 M Na 4. What is the concentration of potassium ion (K) in a 1.78 M solution of K,PO., which mL ionizes completely? 15. What is the molarity of sodium ion (Na') in a solution made by dissolving 2.26 grams Naci in water to make 338. mL solution? 16. What isthe molarity of a solution made by mixing 329. mL of 1.84 M Ba(OHl), with 217.mlL of 3,46 M Ba(OH), (assume the volumes are additive)? low many grams of pure Mg y of the solution is 1.12 g/mL?

Explanation / Answer

Solution-

K2SO4(aq]2K+(aq]+SO24(aq]

c=n/V

n=cV

nK2SO4=0.516 M111.5*^103L

=0.0575 moles K2SO4