2. 5.012 × 10−22 g/molec
Calculate the mass of one water molecule.
1. 4.234 × 10−23 g/molec
2. 5.012 × 10−22 g/molec
3. 2.503 × 10−23 g/molec
4. 2.992 × 10−22 g/molec
5. 2.992 × 10−23 g/molec
6. 1.624 × 10−23 g/molec
7. 4.234 × 10−22 g/molec
Determine the number of H2O molecules in 837.4 g of H2O.
Answer in units of molec.
Answers: 2
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Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
Answers: 1
Calculate the mass of one water molecule.
1. 4.234 × 10−23 g/molec
2. 5.012 × 10−22 g/molec
2. 5.012 × 10−22 g/molec
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