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
Chapter10: The Mole
Section10.2: Mass And The Mole
Problem 20PP
Related questions
Question
What is the mass in grams of 25.60 moles of KCl?
Expert Solution
Step 1
Mole concept:
The number of molecules or atoms present in the one mole of the substance is equal to the Avogadro number. The value of the Avogadro number is 6.022x1023. The mass of one mole of a substance is known as the molar mass.
The number of moles of KCl is = 25.60 moles
We know that the molar mass of KCl is = 74.5513 g/mol
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