The chemical formula for table sugar is C12H11O22. What can you tell from this formula?
2 answers:
<u>Answer:</u> The correct answer is the ratio of oxygen atoms to hydrogen atoms in a molecule of sugar is 2 to 1.
<u>Explanation:</u>
The given chemical formula for table sugar is .
The above compound contains 12 atoms of carbon atom, 11 atoms of hydrogen and 22 atoms of oxygen.
The ratio of oxygen atoms to hydrogen atoms is and the ratio of carbon atoms to hydrogen atoms in a molecule of sugar is
An oxygen atom contains 8 protons and a carbon atoms has 6 electrons.
Hence, the correct statement is the ratio of oxygen atoms to hydrogen atoms in a molecule of sugar is 2 to 1.
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Answer : The molar mass of unknown substance is, 39.7 g/mol
Explanation : Given,
Mass of unknown substance = 9.56 g
Volume of solution = 100.0 mL
Molarity = 2.41 M
Molarity : It is defined as the number of moles of solute present in one liter of volume of solution.
Formula used :
Now put all the given values in this formula, we get:
Therefore, the molar mass of unknown substance is, 39.7 g/mol