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Can you explain the answer of this question below:
720g of water contains how many moles of water?
  • A:
    20
  • B:
    40
  • C:
    60
  • D:
    80
The answer is b.
Most Upvoted Answer
Can you explain the answer of this question below:720g of water contai...
Weight of water=18g
given weight= 720g
number of moles=given weight/ molar mass
n= 720/18
n= 40
So, the answer is (b)40.
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Community Answer
Can you explain the answer of this question below:720g of water contai...
The weight of 1 mole of water is 18g. Let the no o
f moles of 720g be "x". 1mole------->18g x moles------->720g x=720*1/18 Therefore, x = 40g.
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