Chemistry Aqueous Acids and Bases - Titration 1. 49 mL of 0.200 M HCl is mixed with 50 mL of 0.200 M NaOH to reach the endpoint. a. moles HCl = b. moles NaOH = c. excess moles NaOH = d. [H1+] e. [OH1-] f. pOH = g. pH = 2. 86.30 mL of an HCl solution was required to neutralize 31.75 mL of 0.150 M NaOH. Determine the molarity of the HCl.
3. 63.15 mL of calcium hydroxide is required to titrate 18.9 mL of a 0.200 M H3PO4 solution. What is the molarity of the basic solution?
4. How many mL of 0.160 M HClO4 are needed to titrate 35.0 mL of 0.215 M LiOH?
5. 25.0 mL of 1.00 M HCl are required to titrate a Drano solution (active ingredient NaOH). How many moles of NaOH are present in the solution?
6. Ten grams of vinegar (containing acetic acid, HC2H3O2, is titrated with 65.40 mL of 0.150 M NaOH. a. How many moles of acetic acid are present in ten grams of vinegar?
b. How many grams of acetic acid are present in ten grams of vinegar?
Chemistry: pH and pOH calculations Part 1: Fill in the missing information in the table below. pH
[ H3O1+ ]
pOH
[ OH1– ]
3.78 3.89 x 10–4 M 5.19 4.88 x 10–6 M 8.46 8.45 x 10–13 M 2.14 2.31 x 10–11 M 10.91 7.49 x 10–6 M 9.94 2.57 x 10–8 M 4.16 1.06 x 10–1 M 3.82 8.53 x 10–7 M 7.05 4.73 x 10–10 M 1.33 9.87 x 10–3 M 11.68 9.22 x 10–8 M 12.24 5.39 x 10–12 M Part 2: For each of the problems below, assume 100% dissociation.
ACID or BASE?
1.
A.
B.
2.
Find the pH of a 0.00476 M hydrochloric acid solution.
A.
B.
3.
4.
5.
B.
Write the equation for the dissociation of hydrochloric acid.
Write the equation for the dissociation of sulfuric acid.
Find the pH of a solution that contains 3.25 g of H2SO4 dissolved in 2.75 liters of solution.
A.
Write the equation for the dissociation of sodium hydroxide.
B.
Find the pH of a 0.000841 M solution of sodium hydroxide.
A.
Write the equation for the dissociation of aluminum hydroxide.
B.
If the pH is 9.85, what is the concentration of the aluminum hydroxide solution?
A.
Write the equation for the dissociation of calcium hydroxide.
If the pH is 11.64 and you have 2.55 L of solution, how many grams of calcium hydroxide are in the solution?
Chemistry Aqueous Acids and Bases - Titration 1. 49 mL of ... - Molelady
49 mL of 0.200 M HCl is mixed with 50 mL of 0.200 M NaOH to reach the endpoint. a. moles HCl = b. moles NaOH = c. excess moles NaOH = d. [H1+] e. [OH1-].
reaction of sodium hydroxide (NaOH) and hydrochloric acid (HCl) shown in the equation below. When the acid loses a proton and the base provides a hydroxide ion that accepts a proton, the product is water. The sodium (Na+) and the chloride (Cl-) ions
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Lemons b. Stomach Acid c. Baking soda d. Ammonia e. Vinegar f. Clothing Dyes g. Tomatoes h. Bleach i. Soap j. Distilled Water k. Shampoo l. Blood m. Glass Cleaner n. Marinades o. Carbonated Drinks p. Antacid. Unit 7: Radioactivity. 1. What are some f
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