18 Nov 2021
Problem 117
Page 121
Section: Challenge Problems
Chapter 3: Molecules, Compounds, and Chemical Equations
Textbook ExpertVerified Tutor
18 Nov 2021
Given information
Mass of first sample is
Mass of is
Mass of is
Mass of second sample is
Mass of is
Mass of third sample is
Mass of is
Step-by-step explanation
Step 1.
Mass of first sample is .
Formula mass is defined as the sum of the average atomic masses of all the atoms present in the chemical formula of any compound.
Therefore,
Molar mass of is.
Molar mass of water is.
Calculate number of moles
Where,
-
is the number of moles.
-
is the given mass of compound.
-
is the molar mass of compound
Put the value of molar mass in above formula.
The number of moles for is,
The number of moles for water is,
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