Find the number of water molecules in 18 g of water
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Answer:
6.022 x 10²³ is the answer.......
Explanation:
no. of mole = given weight / molecular weight
= 18 / 18
(molecular weight H2 = 2 , O = 16 )
= 1 mole
no. of molecule = no. of mole x Avogadro's number
= 1 x 6.022 x 10²³
= 6.022 x 10²³
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