p01_033 - water molecules: 1 . 4 × 10 21 3 . × 10 − 26...

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33. (a) In atomic mass units, the mass of one molecule is 16 + 1 + 1 = 18 u. Using Eq. 1-9, we Fnd (18 u) µ 1 . 6605402 × 10 27 kg 1u =3 . 0 × 10 26 kg . (b) We divide the total mass by the mass of each molecule and obtain the (approximate) number of
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Unformatted text preview: water molecules: 1 . 4 × 10 21 3 . × 10 − 26 ≈ 5 × 10 46 ....
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This note was uploaded on 06/11/2008 for the course PHY 033 taught by Professor Furlan during the Spring '08 term at UniFor.

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