How many moles of CH3OH are in 1480 g of CH3OH?
A) 0.462 mol
B) 462.0 mol
C) 46.2 mol
D) 4.62 mol
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➤Answer :-
Option- C (46.2) moles
➤EXPLANATION:-
➤Given to find the total number of moles of 1480 g of CH3OH :-
➤SOLUTION :-
We have formula to calculate the number of moles of a given element that is
➤No .of moles = Given mass/ Molecular weight
ATQ ,
Given mass is 1480g
Now we find the weight of that compound
CH3OH = Carbon + 3moles of Hydrogen + Oxygen + Hydrogen
We all know the atomic mass of these elements that were
Carbon - 12
Hydrogen- 1
Oxygen - 16
= 12 + 3(1) + 16 + 1
= 12 + 3 + 16 + 1
= 32
➤Molecular weight of CH3OH is 32
Given weight is 1480
Now ,
➤No.of moles = Given mass/ Molecular weight
= 1480/32
= 740/16
= 370/8
= 185/4
➤= 46.25 moles (C)
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