Question
Calculate the number of moles in 3.20 g of each of the following:
SnO2
Express your answer in moles
SnO2
Express your answer in moles
Answers
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Answered by
GPT 3.5
To calculate the number of moles in SnO2, we need to know the molar mass of SnO2.
The molar mass of SnO2 is calculated by adding up the atomic masses of each element in the compound.
The atomic mass of Sn (tin) is 118.71 g/mol, and the atomic mass of O (oxygen) is 16.00 g/mol.
So, the molar mass of SnO2 is:
(1 * 118.71 g/mol) + (2 * 16.00 g/mol) = 118.71 g/mol + 32.00 g/mol = 150.71 g/mol
To find the number of moles, we can use the formula:
moles = mass / molar mass
moles = 3.20 g / 150.71 g/mol = 0.0213 mol
Therefore, there are approximately 0.0213 moles in 3.20 g of SnO2.
The molar mass of SnO2 is calculated by adding up the atomic masses of each element in the compound.
The atomic mass of Sn (tin) is 118.71 g/mol, and the atomic mass of O (oxygen) is 16.00 g/mol.
So, the molar mass of SnO2 is:
(1 * 118.71 g/mol) + (2 * 16.00 g/mol) = 118.71 g/mol + 32.00 g/mol = 150.71 g/mol
To find the number of moles, we can use the formula:
moles = mass / molar mass
moles = 3.20 g / 150.71 g/mol = 0.0213 mol
Therefore, there are approximately 0.0213 moles in 3.20 g of SnO2.
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