Multiple choice questions, 2points each. Writer 5. 5.28 grams of sodium chloride
ID: 533441 • Letter: M
Question
Multiple choice questions, 2points each. Writer 5. 5.28 grams of sodium chloride are dissolved the letter answer in the space provided below. in 87.2 ml of water The concentration circle mass to volume percent a. 528% m/v 1. 606% m/v 571% m/v d 872% m/v 3 10. which of the following is water the solute? 1. Acel bursting in solution is a sign of b 124 grams of water and 382 grams a. A hypotonic solution of sodium oxide b. A h c 249 g of oil and 93 mLof water An isotonic solution d 295 mL of water and 143gof d. A 2. Abuffer is made from solution a. A strong acid and a strong base a. Is always heterogeneous b. A weak acid and a strong acid c Aweak acid and its conjugate base Hasonly anions present d Astrong base and its conjugate acid Has no ionspresent 3 Which of the following is soluble in water? 8. A beakeris separated using zinc hydroxide membrane A solute is added to c Lead (ll Increase in volume ever time d. Iron (II Decrease in volume over time Net change in volume over time 528 grams of sodium chloride are dissolved in 872 ml. of water Asa result 9. How many carbon atoms are in a Boiling point decreases b. Freezing point decreases a, 8 osmotic pressure decreases c 11 d 13 e, 15 10. Which functional group has nitrogen Amide Chem 10 Spring 2017. Clements Box your answers 11 A solution of boric acid is measured to have a pH 4733 points) lsboric acid a weak acider strongacid? How do you know? b. (3 points What is the H1 in this c (3 points) What is the loHlin this solution? 12. (4 points) A student is asked to prepare a0.0500M solution ofsodium hydroxide. She finds bottle of 1.052M sodium hydroxide that contains 18.3S ml.How much of the diluted solution cansheExplanation / Answer
1. B
Cell solution is equivalent to 0.9% w/V NaCl solution if it is placed in NaCl solution of lower concentration then solvent would move to cell. So cell solutions is hypertonic
2. C
Buffers are made by mixing weak acid and its conjugate base.
3. B
Cadmium chloride is highly water soluble.
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