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Questions in chemistry

[Done] Each glucose molecule consists only of carbon, hydrogen, and oxygen atoms. If each molecule contains 53.3% oxygen and 6.7% hydrogen by mass, what percentage of each glucose molecule is made up of carbon?

[Done] What is the mass (in grams) of [tex]4.35 \times 10^6[/tex] atoms of [tex]^{12}C[/tex]?

[Done] Which molecules are pure elements?

[Done] Calculate the number of atoms in each of the following amounts: 1) 3.02 molecules of tin 2) \(2.0 \times 10^6\) molecules of carbon 3) 0.0019 molecules of zirconium 4) \(3.227 \times 10^{-10}\) molecules of potassium

[Done] What happens when energy is released during atomic fission?

[Done] Why is the cyanide ion negatively charged?

[Done] How can geologists use acid to confirm that the rock towers are made of limestone?

[Done] What are isotopes used for diagnosing diseases and studying environmental conditions called?

[Done] What state is nitrogen at 20 degrees Celsius?

[Done] Using the formula: \[ \text{NaHCO}_3 (s) + \text{HC}_2\text{H}_3\text{O}_2 (aq) \rightarrow \text{NaC}_2\text{H}_3\text{O}_2 (aq) + \text{H}_2\text{O} (l) + \text{CO}_2 (g) \] If I used 0.100 L of 0.83 M \(\text{HC}_2\text{H}_3\text{O}_2 (aq)\) (0.83 mol per 1 L of solution), how much carbon dioxide would be produced?