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How many atoms of oxygen are present in one molecule of glucose (C6H12O6)?
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3. Chemical Reactions
Molecular Formula
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How many carbon atoms are present in 19 molecules of benzene (C6H6)?
A
19
B
114
C
6
D
38
Guida verificata passo dopo passo1
Identify the molecular formula of benzene, which is \(C_6H_6\). This means each molecule of benzene contains 6 carbon atoms.
Determine the number of molecules given, which is 19 molecules of benzene.
To find the total number of carbon atoms, multiply the number of carbon atoms per molecule by the number of molecules: \(6 \times 19\).
Set up the multiplication expression: \(\text{Total carbon atoms} = 6 \times 19\).
Calculate the product to find the total number of carbon atoms in 19 molecules of benzene.
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