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- Consider this reaction H2SO4(aq) +2KOH(aq) ---> H2SO4(aq) ---->K2SO4(aq) +2H2O(l) Determine the volume of 0.205 M KOH solution require to neutralize each sampe of sulfuric acid. a. 35mL of 0.205 M H2SO4 b. 205mL of 0.135 M H2SO4 C. 80 ml of 0.100 M H2SO4Zn(s) + 2 Ag+ (aq) ® Zn2+(aq) + 2 Ag(s) What would happen to the value of Ecell if the concentration of Ag+ and Zn+2 are both cut in half. It would increase It would decrease It would not change Not enough information to tellNorth of Kingston you discover a hidden mountain and name it Mt. Kevinmanjaro, which weighs 1x1012 kg and is made entirely of CaCO3(s) (MW = 100 g/mol, Ksp = 3.3×10–9). Each year the mountain received approximately 1×106 L of rainfall, which flow from the mountain completely saturated with Ca2+(aq). How many years will it take to entirely dissolve Mt. Kevinmanjaro?
- No plagiarism Please! Station #4 = HF (aq) For this acid, what does the white bead represent?________ blue bead? __________ 3rd Color Bead? _________ Record your observations in the particulate drawing. How many acid molecules have broken into ions? Determine the % ionization for the acid. Write the ionization reaction for this acid. ________ ↔ ______ + _______With a starting concentration of 4.00 x 10^-3 M ClO2, how much time (in s) will it take up for the compound (ClO2) concentration to reach 1.20 x 10^-3 M? See the image for the given table.Quantity Your Data 1. Grams of vinegar sample used for your titration 25.000 g 2. Initial Buret Reading of Sodium Hydroxide solution 10.00 mL 3. Final Buret Reading of Sodium Hydroxide solution 28.00 mL 4. Amount of Sodium Hydroxide Solution used to neutralize the vinegar sample 5. Concentration of NaOH in the NaOH solution 0.050 g/mL 6. Grams of NaOH used to neutralize the vinegar 7. Grams of acetic neutralized by the amount of NaOH 8. Percent acetic acid in the vinegar Hints: For #4, The amount of NaOH used is the difference between the starting buret value and the ending buret value. For #6, Once you calculate the amount of sodium hydroxide used, multiple that value by the concentration of NaOH in the NaOH solution. For #7, Multiply the value obtained in number 6 by the number 1.5. Remember, we learned that every 1 gram of NaOH neutralizes 1.5 grams of acetic acid. For #8, Divide the grams of acetic acid by the grams of vinegar sample and multiply this value by…
- No plagiarism Please! Station #2 = HBr (aq) For this acid, what does the white bead represent?________ blue bead? __________ 3rd Color Bead? _________ Record your observations in the particulate drawing. How many acid molecules have broken into ions? Determine the % ionization for the acid. Write the ionization reaction for this acid. ________ → ______ + _______A solution is made by the following steps. 1. 90.0 mg ± 0.2 mg of dye with molar mass 685.79 g/mol ± 0.02 g/mol is dissolved in a 100.00 mL ± 0.05 mL volumetric flask with water to make solution #1. 2. 25.00 mL of solution 1 is added 100.00 mL ± 0.05 mL volumetric flask with water to make solution #2. 3. 25.00 mL of solution 2 is added 100.00 mL ± 0.05 mL volumetric flask with water to make solution #3. A.) If you have available a 5.00 mL ± 0.01 mL, 10.00 mL ± 0.05 mL, and 25.00 mL± 0.15 mL. Describe how to use the pipettes and the directions above to make the most precise solution #3. Explain why this is the most precise method. B.) Determine the concentration ± absolute error of solution #3 in molarity. Explain the calculations you needed to do. C.) Using Beer's law (10% error), solution #3 is found to be 2.0 ✕ 10-5 M. Was solution #3 likely made within the expected error. Explain.A solution is made by the following steps. 1.) 90.0 mg ± 0.2 mg of dye with molar mass 685.79 g/mol ± 0.02 g/mol is dissolved in a 100.00 mL ± 0.05 mL volumetric flask with water to make solution #1. 2.) 25.00 mL of solution 1 is added 100.00 mL ± 0.05 mL volumetric flask with water to make solution #2. 3.) 25.00 mL of solution 2 is added 100.00 mL ± 0.05 mL volumetric flask with water to make solution #3. Describe how to use the pipettes and the directions above to make the most precise solution #3. Explain why this is the most precise method.
- A student has accidentally spilled 100.0 mL of 2.0mol/L nitric acid onto the lab bench. What mass of sodium bicarbonate would the teacher need to sprinkle on this spil to neutralize and clean it up? HNO3(aq) + NaHCO3(s) → CO2(g) + H2O(l) + NaNO3(aq) - Please type the answer for me, thank you so much !!!I add 0.1011 g of a primary standard FAS into a volumetric flask and diluted it to the line with water. We then add 2 mL of that solution into another 100 mL volumetric flask and diluted to the line with water. What would be the concentration of the diluted solution in g/mL?The chloride ion content of a 250.0-mL seawater sample was titrated against 0.1102 M silver nitrate, requiring 13.56 mL to reach end point. How many moles of chloride ion is present in the sample?