Question

L WURK VERY CLEARLY AND UNAMBIGUOSLY 2. ALL NUMBERS WITHOUT UNITS ARE MEANINGLESS ..... ... 3. NO CHEATING. CALCULATORS WILL BE PROVIDED 4. ONCE QUESTION PAPERS ARE GIVEN YOU CANNOT LEAVE YOUR SIT 5. YOU MUST STOP ALL WRITING WHEN YOU ARE ASKED TO STOP 6. DO NOT FORGET TO WRITE YOUR NAME 1. If 38.2 mL of 0.248 M aluminum sulfate solution is diluted with deionized water to a total volume of 0.639-L. How many grams of aluminum ions are present in the diluted solution? 02708 0 0.248mm - dobil M= mood m= 0.458 m ms dots8 More 0.248 Men e ro 248m=m Foron 00639 L 35 W m odeSeL Dole

Answer 1

38.2 mL df uominaem Sulphate eemeentation Mote culae weight 4 Maninin Sufphude O.348 m 1 tue dituted olutim is VTnial volune S1E Initral Comeara VISI V2S SPinal 3& 2982693x2 VLFinal valu 3& 2 mLX O.24&M 693 mLX S 3 &2 mx 248M 693 S2 0.137M) 1 (M) 342 1o 00 mL 693 342 X693 1000 O.1367 3 42 x693X0 137 n 000 3.239m 3-23 gms Aluminium ons ane presert in pue diluted Solution