anonymous
  • anonymous
Mass of Cu needed to make 2.0 moles of Cu2O? May anyone show work?
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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chmvijay
  • chmvijay
can u tell me the atomic mass of Cu and molar mass of Cu2O
chmvijay
  • chmvijay
@xkittybunnyx ?/???
anonymous
  • anonymous
atomic mass Cu = 63.5 and Molar mass Cu2O 143 thanks

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chmvijay
  • chmvijay
so 143 gram of Cu2O has 2*63.5= 127 gram of Cu so 2 mole(2*143) of Cu2O will have =2*143*127 / 143 = find now
RANE
  • RANE
mass = moles * molecular mass so your moles is 2 and molecualr mass which is known as (M) is = 63.546(Cu) + (16*2) of O2 = 2 * 95.456 = 190.912g
anonymous
  • anonymous
Thanks but both of these answers or ways or different. May anyone else confirm?
chmvijay
  • chmvijay
u can consider mine one whee i converted whole thing from mole to weight

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