in my homework i have to calculate each of the following quantities in 0.190 mole : ( C3H5)2O....in problem one i have to find mole of C and i keep getting it wrong.
2007-03-30 22:12:39 · 4 answers · asked by orange_crush_05 6 in Science & Mathematics ➔ Chemistry
In this one it's 6 x 0.19 mol of C.
2007-03-30 22:34:17 · answer #1 · answered by Gervald F 7 · 1⤊ 0⤋
What you probably mean is, find the mass in grams of 0.190 moles of the compound (C3H5)2O
What compound is that?
Any how, just find the molecular weight, C =12, H =1, O=16 right? So its [( 36 + 5) *2] + 16 = 90
Write grams next to the molecular weight, and you have the mass of 1 mole of a substance ( Gram molar mass).
So ! mole of your compound weighs 90 grams
Therefore, 0.19 moles weigh (0.19 * 90 ) = 17.10 grams
Also 1 mole of C weighs 12 grams.
2007-03-30 22:40:16 · answer #2 · answered by shrek 5 · 0⤊ 0⤋
(a million) g Cu in 20 g CuO 20 g CuO x (a million mole CuO/ 80 g/mole) x (a million mole Cu/ a million mole CuO) x ( sixty 4 g/mole / a million mole Cu) = sixteen g Cu (2) g CuO containing precisely 1g Cu a million g Cu x ( a million mole Cu / sixty 4 g/mole ) x ( a million mole CuO / 1mole Cu) x (80 g/mole / a million mole CuO) = a million.25 g CuO (3) g Cu2O containing a million g Cu a million g Cu x ( a million mole Cu / sixty 4 g/mole) x ( a million mole Cu2O / 2 moles Cu) x (a hundred and 40 4 g/mole / a million mole Cu2O) = a million.one hundred twenty 5 g Cu2O :)
2016-12-15 12:55:21 · answer #3 · answered by ? 4 · 0⤊ 0⤋
What is (C3H5)2O ????????
2007-03-31 02:39:38 · answer #4 · answered by shabbi89 2 · 0⤊ 0⤋