2007-05-07 15:23:43 · 5 answers · asked by BAPS L 1 in Science & Mathematics ➔ Chemistry
moles=mass given\ mass of 1 mole of the substance. since the given mass is 56.7 and the mass of 1 mole of silver bromide is(108+80=188g) then moles=56.7g\188g=0.3 moles. hoped this helped.
2007-05-07 15:42:54 · answer #1 · answered by Dr. Eddie 6 · 0⤊ 0⤋
You have a problem.
The silver bromide could be AgBr or AgBr3. Without further info, you are stuck.
In any case, add up the molecular mass of the compund. Divide 56.7 g by this number and you have moles
2007-05-07 15:31:32 · answer #2 · answered by reb1240 7 · 0⤊ 0⤋
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2016-05-17 10:19:17 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Silver Bromide is 187.772 g/mol, so 56.7 grams would be:
(56.7 g)/(187.772 g/mol)=0.301961954 moles
2007-05-07 15:32:18 · answer #4 · answered by Matt B 1 · 0⤊ 1⤋
To convert from grams to moles, divide by the molecular weight.
MW of AgBr = 187.772 g/mol
56.7g/187.772 g/mol = 0.3 moles
2007-05-07 15:30:20 · answer #5 · answered by Anonymous · 0⤊ 2⤋