18) Which specie has the highest percentage of hydrogen?1) он 2) н,о з) н.о, 4) нзо-19) What is the molar mass of (NH.),PO,?1) 242 g/mol 2) 149 g/mol 3) 121 g/mol 4)112 g/mol20) Using Table H, at 50 C and standard pressure, intermolecular forces of attraction arestrongest in a sample of1) Water 2) propanone3) ethanol4) ethanoic acid

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18) Which specie has the highest percentage of hydrogen? 1) он 2) Н,о 3) Н.О, 4) нзо-

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter14: Mixtures And Solutions

Section: Chapter Questions

Problem 108A

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Question

18) Which specie has the highest percentage of hydrogen?
1) он 2) н,о з) н.о, 4) нзо-
19) What is the molar mass of (NH.),PO,?
1) 242 g/mol 2) 149 g/mol 3) 121 g/mol 4)112 g/mol
20) Using Table H, at 50 C and standard pressure, intermolecular forces of attraction are
strongest in a sample of
1) Water 2) propanone
3) ethanol
4) ethanoic acid

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