Question

how many oxygen atoms are present in 2 molecules of carbon dioxide (co2)? there are 4 oxygen atoms in 2 molecules of carbon dioxide (co2). there are 8 oxygen atoms in 2 molecules of carbon dioxide (co2). there are 6 oxygen atoms in 2 molecules of carbon dioxide (co2). there are 2 oxygen atoms in 2 molecules of carbon dioxide (co2). how many hydrogen atoms are present in 2 molecules of glucose (c6h12o6)? there are 12 hydrogen atoms in 2 molecules of glucose (c6h12o6). there are 18 hydrogen atoms in 2 molecules of glucose (c6h12o6). there are 6 hydrogen atoms in 2 molecules of glucose (c6h12o6). there are 24 hydrogen atoms in 2 molecules of glucose (c6h12o6).

Explanation:

Step1: Analyze CO2 formula

One CO2 molecule has 2 oxygen atoms.

Step2: Calculate for 2 CO2 molecules

$2\times2 = 4$ oxygen atoms.

Step3: Analyze C6H12O6 formula

One C6H12O6 molecule has 12 hydrogen atoms.

Step4: Calculate for 2 C6H12O6 molecules

$2\times12=24$ hydrogen atoms.

Answer:

1. There are 4 oxygen atoms in 2 molecules of carbon dioxide (CO2).
2. There are 24 hydrogen atoms in 2 molecules of glucose (C6H12O6).