Homework SourseHow many grams of C2H6O are contained in 077 liters of a 932
| How many grams of C2H6O are contained in 0.77 liters of a 9.32 M solution of C2H6O? Give your answer to 2 decimal places. |
| How many grams of C2H6O are contained in 0.77 liters of a 9.32 M solution of C2H6O? Give your answer to 2 decimal places. |
Solution
We have :
. . . . . n
CM = ?
. . . . . V
=> n = CM.V = 9,32 . 0,77 = 7,1764 (moles)
=> m C2H6O = 7,1764 x 46 = 330.1144 ( grams)
2 Decimal => m C2H6O = 330.11 (grams)
