A new student is planning to use thin layer chromatography (TLC) for his research project. After setting up the apparatus the st
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Hello.
When dealing with two or more elements in a fixed proportion, your answer is going to be "B.) Compound." The explanation is pretty basic when you narrow it down - think of it like the English version of a compound sentence; there are two independent clauses that have related ideas (such as this one, for example).
Let's use an example of a compound element, such as
, or Water.
This is a compound element that is composed of the two elements "Hydrogen" and "Oxygen" - for every 2 Hydrogen atoms there is one Oxygen atom.
I hope this helps!
When dealing with two or more elements in a fixed proportion, your answer is going to be "B.) Compound." The explanation is pretty basic when you narrow it down - think of it like the English version of a compound sentence; there are two independent clauses that have related ideas (such as this one, for example).
Let's use an example of a compound element, such as
This is a compound element that is composed of the two elements "Hydrogen" and "Oxygen" - for every 2 Hydrogen atoms there is one Oxygen atom.
I hope this helps!
Answer:
784 g.
Explanation:
Since 1 mole of gives us 2 moles of $Fe$, 7 moles $Fe_2O_3$ will give us 14 moles of $Fe$
Molar mass of $Fe$= 56 g/mol
Thus, mass of 14 moles is $14 \times 56= \boxed{784}$