If 1 mole of water have 20.0 g of H2O, calculate the number of molecules. (molar mass H=1, O=16) 6.022 x10^23 O 7.058 x10^23 O 3.24 x10^23 What is the number of protons, neutrons, and electrons for element has; atomic number 9, mass number 18, charge of 1- Op: 9; n: 9; e: 10 Op: 9; n: 9; e: 8 Op: 9; n: 9; e: 12 p: 9; n: 9; e: 9

If 1 mole of water have 20.0 g of H2O, calculate the number of molecules. (molar mass H=1, O=16) 6.022 x10^23 O 7.058 x10^23 O 3.24 x10^23 What is the number of protons, neutrons, and electrons for element has; atomic number 9, mass number 18, charge of 1- Op: 9; n: 9; e: 10 Op: 9; n: 9; e: 8 Op: 9; n: 9; e: 12 p: 9; n: 9; e: 9

Chemistry & Chemical Reactivity

9th Edition

ISBN:9781133949640

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter2: Atoms Molecules And Ions

Section2.10: Chemical Analysis: Determining Compound Formulas

Problem 1RC: 1. Which of the following hydrocarbons has the highest mass percentage of carbon? methane,...

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