Saved Bookmarks
| 1. |
What volume of water must be added to `500 ml NaOH` to make `2%` (w/v) NaOHA. `5000 mL`B. `6000 mL`C. `5500 mL`D. `6500 mL` |
|
Answer» Correct Answer - C Moles of `NaOH = 0.5 xx 6 = 3` mole `= 3 xx 40` `= 120 gm` `2% ((w)/(v)) NaOH` `(120)/(V) xx 100 = 2` `V = 6000 mL` Volume added `= (6000 - 500) mL` `= 5500 mL` |
|