190 grams of a hypothetical element called Clarkanium. If its atomic mass is 38, how many moles do you have in your measured sam
ple?
1 answer:
5mole
Explanation:
Given parameters:
Mass of element = 190g
Atomic mass = 38
Unknown:
Number of moles = ?
Solution:
A mole is a unit of measurement for quantifying particles.
Number of moles = 
The molar mass is the atomic mass here:
Number of moles =
= 5mole
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