What us the formula for pH? note [H+} is hydrogen ion concentration and [K+] is potassium ion concentration O log [H+] square root of [H+] O log(H+] O - log [K-]
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- Manufacturers make carbonated drinks by forcing pressurized carbon dioxide gas into flavored water. A chemical reaction between water molecules and some of the CO2 molecules creates hydrogen ions (H+) and bicarbonate, which is a buffer. In your opinion, is this reaction likely to raise the pH of a soda above 7, or lower it? Give your reasoning.If there is an increase in the hydrogen ion concentration from 38 nmol.l-1 to 82 nmol.l-1, what does the pH change from and to?As pH increases, there is increasingly more H+ than OH-
- A solution with a pH of 6 has a ____ difference in H ion concentration than a solution with a pH of 10. If a solution has a concentration of 10^-7 OH ions, how many H ions does it have?A solution has a hydrogen ion concentration of 0.01 mol/L. What is its pH? What is its hydroxide ion concentration? Is it acidic, basic, or neutral? How does the hydrogen ion concentration of this solution differ from one with a pH of 1?The PH formula is given as PH=-log(H+). The H+ is the number of free ions of hydrogen. A seven PH is considered neutral. Discuss what having a low PH and a high PH means. What does a 12 PH mean? How about a 2? Which is more caustic? Is either a good thing at extremely high or low values? Explain fully as to what a PH means to you and what you use it for.
- Given the following data plot of the volume of NaOH vs pH a. what does the values in 1 and 2 indicates: _____ b. Determine the molar mass of the unknown acid: _____ c. choose the identity of the acid from the choices below: _____ acetic acid, MM = 60.05 g/mole formic acid, MM = 40.03 g/mole oxalic acid = 90.03 g/moleIf 0.752 moles of (NH3OH)Cl is dissolved in 1 L of water what is the pH of the solution?Excluding sodium chloride (table salt) and sucrose (table sugar), what are some examples of ionic and/covalent compounds you've encountered in everyday life?
- When comparing pH, a solution with a pH of 5 contains 100 times the amount of H+ when compared to a solution with a pH of 7.The pH scale shows availability of reactive hydrogen ions (H+) in a liquid. The scale is logarithmic, so milk has 10 times as many H+ ions as pure water, for a given volume. How many more H+ ions does soda pop have compared to pure water? Write the number only.A 0.10 M solution of the deadly poison hydrogen cyanide, HCN, has a pH of 5.2. Calculate the [H3O+] of the solution. Is HCN a strong or a weak acid?