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Chemistry
Jaslene Campos
20 September, 08:04
How may moles are in 145.54 g of SIO2
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Amara
20 September, 10:24
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The number of mole is 2.422 moles
Explanation:
To calculate the number of mole, we have to use the formula n = m / Mm
n - moles
m - mass
Mm - molar mass
Let's calculate the molar mass of the compound SiO2
Si - 28.0855
O - 15.999
Note: there are two atoms of oxygen in the compound
Mm of SiO2 = 28.0855 + 2 * 15.999
= 60.0835g/mol
Now, we calculate the number of moles
n = 145.54g / 60.0835g/mol
= 2.422mol
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