0.9mole of Fe
Explanation:
Given parameters:
Mass of Fe = 50g
Unknown:
Number of moles of iron = ?
Solution:
The number of moles is the particle that contains the avogadro's number of particles.
It is a unit for reporting chemical measurement.
To find the number of moles of a substance;
Number of moles =
Molar mass of Fe= 56g/mol
Number of moles = = 0.9mole of Fe
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Number of moles brainly.com/question/1841136
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Answer:
yes
Explanation:
a solid melting into a liquid is a kind of a physical change and it definitely alters the appearance of the substance. A liquid evaporating into gas is also an example of a physical change.
Hmmm im not sure about this