Saved Bookmarks
| 1. |
What will be the mass percentage of resulting solution prepared by mixing 15% (w/w) 500g aqueous solution of urea with 25% (w/w)400g aqueous solution of it :-A. 0.18B. 0.2C. 0.25D. 0.15 |
|
Answer» Correct Answer - B Amount of urea `= (15)/(100)xx500+(25)/(100)xx400` `=75+100=175g` `%w//w=(175)/(900)xx100=19.44%` |
|