Saved Bookmarks
| 1. |
8) What volume of sulfuric acid (98% by mass, density 1,84 g/mL) is needed for preparation of 300 ml of a solution with a 0.1 mol/L concentration? (Mr = 98)a) 3.21 mLb) 1.56 mLc) 0.631 mL d) 1.63 mL e) no answer iscorrect |
|
Answer» Given,M H 2 SO 4 = 98×10098×1.80 ×1000=18.0M 1 V 1 =M 2 V 2 18.0×V 1 =1×0.1V 1 =5.55×10 −3 L=5.55 mLHence, VOLUME required is 5.55 mL.Hence, the correct option is C |
|