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Peter14Best ResponseYou've already chosen the best response.1
7 water molecules in 1 molecule of epsomite, so 7 moles of water for 1 mole of epsomite.
 one year ago

Nikhil619Best ResponseYou've already chosen the best response.0
sry 280 g epsomite..
 one year ago

Peter14Best ResponseYou've already chosen the best response.1
find how many moles it is
 one year ago

Nikhil619Best ResponseYou've already chosen the best response.0
ok...so number of moles of epsomite times 7?
 one year ago

Nikhil619Best ResponseYou've already chosen the best response.0
i got molecular mass as 246 is that right?
 one year ago

Peter14Best ResponseYou've already chosen the best response.1
7*18 for the water 1*molar mass of mg 1*molar mass of s 4*molar mass of o look right?
 one year ago

Nikhil619Best ResponseYou've already chosen the best response.0
yea...so 280/246 the whole thing times 7?
 one year ago

Nikhil619Best ResponseYou've already chosen the best response.0
ok..so that's the number of molecules or should i multiply by Avogadro's nummber? or multiplying by Avogadro's no. will give me number of atoms?
 one year ago

Peter14Best ResponseYou've already chosen the best response.1
then you multiply by avogadro's number to get the number of molecules from the number of moles
 one year ago
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