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Agustin
Chemistry
15 January, 20:48
How many moles of mgcl2 are there in 308
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Freckles
15 January, 20:53
0
The answer is 3.23 mol.
Given dа ta:
Mass in gram of MgCl2 = 308
Molecular mass = 95.21 g/mol
Number of moles = ?
Solution:
Formula:
Number of moles = Mass in grams / Molecular mass
By putting the values in above formula:
Number of moles = 308 / 95.21
= 3.23 mol
So if the weight of MgCl2 is 308 grams. So by the formula of number of moles, it will contain 3.23 moles. Mass in grams of MgCl2 is divided by its molecular mass to get number of moles of MgCl2.
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Ismael Chambers
15 January, 21:10
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Answer is: there are 3.23 moles of magnesium chloride (MgCl₂).
m (MgCl₂) = 308 g; the mass of the magnesium chloride.
M (MgCl₂) = 95.21 g/mol; molar mass of the magnesium chloride.
n (MgCl₂) = m (MgCl₂) : M (MgCl₂).
n (MgCl₂) = 308 g : 95.21 g/mol.
n (MgCl₂) = 3.23 mol; the amount of the magnesium chloride.
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