Question

what is the mass 0.5 moles of water​

Answer 1

Answer:

(Atomic masses : H=1u,O=16u) Thus, the mass of 1 mole of water is 18 grams. Thus, the mass of 0.5 mole of water (H2O) is 9 grams

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Answer 2

Answer:

water =h2O

molecular mass =(1+2)×16

=2+16

=18

mass of 0.5 mole =0.5×18

=9amu (ans)

hope it helps