Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution? a. weakly acidic b. strongly acidic c. weakly basic d. strongly basic
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Using a pH meter, you find the pH of an unknown solution to be 8.0. How would you describe this solution?
a. weakly acidic
b. strongly acidic
c. weakly basic
d. strongly basic
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- You made a buffer solution by combining 250.0 mL of a 0.20 M sodium acetate solution with 50.0 mL of 1.0 M acetic acid (pka = 4.7). To this solution you then add 100.0 mL of 0.25 M NaOH. What is the final pH of the resulting solution?A solution with a low pH means what?If the addition of an acid or a base to a solution does not change its pH (or changed minimally), then that solution is referred to as a a. acid b. base c. buffer d. neutral solution
- Define the following terms: a. hydronium ion b. acid c. base d. Ka e. pKaUsing a pH meter, you find the pH of an unknown solution to be 8.0 how would u describe this solutionWhich of the following materials will have the greatest effect on colligative properties of a solution? a. CH3CI b. NaCl c. (NH4)2SO4 d. CH3CH2OH O A O D
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- Which of the following ingredients in Ding Dong Cakes are added for the purpose of maintaining pH until you consume them: a. sodium chloride b. sodium citrate/citric acid c. sodium malate/malic acid d. monosodium phosphate/disodium phosphate e. lecithinA solution is prepared by dissolving 13.5 g of glucose in 0.100 kg ofwater. What is the mass percentage of the solute in the solution?Amelia tests several substances in her house to determine their pH values and records the results. Substance pH Lemon juice 2.3 Tap water 6.7 Bleach 12.3 Soapy water 11.7 Can of tomatoes 4.5 Dishwasher detergent 10.9 What do the basic substances have in common? A They are all used in cooking. B They are all used in cleaning products. C They are all clear or transparent. D They are all sour tasting when eaten.
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