When an aqueous solution at room temperature is analyzed, the [H+] is found to be 2.0 * 10-3 M. What is the [OH-]?

A. 5.0 * 10-12 M

B. 2.0 * 10-11 M

C. 4.0 * 10-6 M

D. 5.0 * 10-11 M

A reaction takes place between two gases at 298 K. There are 2.0 moles of gas A and 3.0 moles of gas B.

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Use le chatelier's principle to explain why the solubility of iodine in water increases as the concentrations of potassium iodide increases

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Calculate the vapor pressure lowering on an aqueous solution of glycerin that contains 180g of glycerin and 1000g of water at 25c. The vapor pressure of water at this temperature is 23.8torr.

Why does one Oxygen atom bond with two Hydrogen atoms to form water? Why don't they bond in a different ratio?

A fossilized bone contains about 65% of its original carbon-14. to the nearest hundred years, how old is the bone

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