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2-27. What volume of a 6.0%(m/V) solution of ethanol contains 30 g of ethanol A) 6,0...
The best term matches for the description given the description given. aqueous solution 1. measures the...
The best term matches for the description given
the description given. aqueous solution 1. measures the amount of solute in a given amount of solution 2. solvent involves the movement of water across a semipermeable 3, solute membrane 4. solution process involved when wilted lettuce is revived by placing the leaves in water 5, concentration a cell membrane is an example of this 6. semipermeable membrane when two solutions are separated by a membrane it is the solution with lower...
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2....
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2. Can starch pass through a dialyzing membrane? (Support your claim with evidence from the experiment.) 3. Explain why people who are adrift in a lifeboat without a supply of fresh water are advised not to drink ocean water. note - Ocean water is saltier than body fluids like blood plasma. 4. In terms of osmosis, what happens when fresh water is inhaled into a...
What volume of a 6.0% solution of ethanol contains 3.0 g of ethanol? 6. What volume...
What volume of a 6.0% solution of ethanol contains 3.0 g of
ethanol?
6. What volume of a 60% solution of ethanol contain 3.0 g of ethanol? A) 5.0 mL B) 6.0 mL C) 10 ml D) 30 mlL E) 50 mlL
7. Which of the following solutions is isotonic (no osmosis) with a 0.30 M NaNO, solution?...
7. Which of the following solutions is isotonic (no osmosis) with a 0.30 M NaNO, solution? {hint - Find the osmosis molarity or "osmolarity" = (# ions)M} a) 0.10 M CaCl2 b) 0.30 M glucose c) 0.60 M NaCl d) 0.15 M AICI; e) 0.75 M KCI (n-1 for glucose) 8. If a solution of 0.20 M Mg(NO3)2 is separated from a 0.25 M KCl solution by a membrane that is permeable to water, osmosis will occur. Describe the osmotic...
. Please 1) explain why osmotic potential of solution is always negative; and 2) there are...
. Please 1) explain why osmotic potential of solution is always negative; and 2) there are two solutions (A and B). A has an osmotic potential of -50kPa, and solution B has an osmotic potential of -75kPa. When these two solutions are separated by a semi-permeable membrane, please discuss the direction osmosis.
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch...
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch solution 9. For the following question(s), considera separated by a semipermeable membrane. 27) Which starch solution will decrease in volume as osmosis Volume as osmosis occurs? B) hypotonic w C) hypertonic to the blood. D) nontonic to the blood. E) molar to the blood. 2% starch solution by a semipermeable 13. 31) A 10% starch solution is separated from a 2% starch solution by...
CRITICAL THINKING QUESTIONS 1. A pre-weighed dialysis bag which contained a solution of 10% glucose was...
CRITICAL THINKING QUESTIONS 1. A pre-weighed dialysis bag which contained a solution of 10% glucose was placed in a beaker containing a solution of 20% glucose. After one hour, the bag was weighed again a. Calculate the % mass change of this dialysis bag from the following information: • Mass of bag before experiment: 15.39 • Mass of bag after experiment: 12.79 b. Determine the tonicity of the beaker when it is compared to the dialysis bag: 2. facell had...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a)...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a) In a 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in water increase as the solution temperature increases c) Elements in group 2A show a tendency to lose 2 electrons and become positively charged -2 d) Oxygen is more electronegative than sufur e) When dissolving 9.0 a NaCI within one liter of water the solution is 0.9% ) An...
8) Indicate of each statemente are each statement below or lowed) (4.5 points in a 30.97g of phosphorous there are...
8) Indicate of each statemente are each statement below or lowed) (4.5 points in a 30.97g of phosphorous there are 6.022x10 toms of phosphorum b) Solubility of gases in water in outy of gases in water increase as the solution temperature increases c) Elements in group 2 show a tendency to lose 2 electrons and become positively charged d) Oxygen is more electronegative than sulfur e) When dissolving 9.0 g NaCl within one liter of water the solution is 0.9%...
.stonl sample of a 60 M solution of HCI is diluted to 200, mL A) 240...
.stonl sample of a 60 M solution of HCI is diluted to 200, mL A) 240 M 8) 6.0 M WI 2.10M D) 1.50 M E) 2.00 M 21) 21) Which one of the following would act like a strong electrolyte in an aqueous solution? A) NH3 B) CH3OH C) CCl4 22) 22) In which of the following pairs of ionic compounds are both chemical species soluble in water? A) Be(NO312 and Bes(PO4)2 C)Cu S and PbBr2 B) NH4F and...
The best term matches for the description given
the description given. aqueous solution 1. measures the amount of solute in a given amount of solution 2. solvent involves the movement of water across a semipermeable 3, solute membrane 4. solution process involved when wilted lettuce is revived by placing the leaves in water 5, concentration a cell membrane is an example of this 6. semipermeable membrane when two solutions are separated by a membrane it is the solution with lower...
Questions I a) What is osmosis? b) What is dialysis? Can MgSO4 pass through? Explain. 2. Can starch pass through a dialyzing membrane? (Support your claim with evidence from the experiment.) 3. Explain why people who are adrift in a lifeboat without a supply of fresh water are advised not to drink ocean water. note - Ocean water is saltier than body fluids like blood plasma. 4. In terms of osmosis, what happens when fresh water is inhaled into a...
What volume of a 6.0% solution of ethanol contains 3.0 g of
ethanol?
6. What volume of a 60% solution of ethanol contain 3.0 g of ethanol? A) 5.0 mL B) 6.0 mL C) 10 ml D) 30 mlL E) 50 mlL
7. Which of the following solutions is isotonic (no osmosis) with a 0.30 M NaNO, solution? {hint - Find the osmosis molarity or "osmolarity" = (# ions)M} a) 0.10 M CaCl2 b) 0.30 M glucose c) 0.60 M NaCl d) 0.15 M AICI; e) 0.75 M KCI (n-1 for glucose) 8. If a solution of 0.20 M Mg(NO3)2 is separated from a 0.25 M KCl solution by a membrane that is permeable to water, osmosis will occur. Describe the osmotic...
8.08 D) 2.0 g E) 200.g question(s), consider a 4% starch solution and a 10% starch solution 9. For the following question(s), considera separated by a semipermeable membrane. 27) Which starch solution will decrease in volume as osmosis Volume as osmosis occurs? B) hypotonic w C) hypertonic to the blood. D) nontonic to the blood. E) molar to the blood. 2% starch solution by a semipermeable 13. 31) A 10% starch solution is separated from a 2% starch solution by...
CRITICAL THINKING QUESTIONS 1. A pre-weighed dialysis bag which contained a solution of 10% glucose was placed in a beaker containing a solution of 20% glucose. After one hour, the bag was weighed again a. Calculate the % mass change of this dialysis bag from the following information: • Mass of bag before experiment: 15.39 • Mass of bag after experiment: 12.79 b. Determine the tonicity of the beaker when it is compared to the dialysis bag: 2. facell had...
8) indicate if each statement below is true or false (one emror allowed) (4.5 points) a) In a 30.97g of phosphorous there are 6.022x10 atoms of phosphorous b) Solubility of gases in water increase as the solution temperature increases c) Elements in group 2A show a tendency to lose 2 electrons and become positively charged -2 d) Oxygen is more electronegative than sufur e) When dissolving 9.0 a NaCI within one liter of water the solution is 0.9% ) An...
8) Indicate of each statemente are each statement below or lowed) (4.5 points in a 30.97g of phosphorous there are 6.022x10 toms of phosphorum b) Solubility of gases in water in outy of gases in water increase as the solution temperature increases c) Elements in group 2 show a tendency to lose 2 electrons and become positively charged d) Oxygen is more electronegative than sulfur e) When dissolving 9.0 g NaCl within one liter of water the solution is 0.9%...
.stonl sample of a 60 M solution of HCI is diluted to 200, mL A) 240 M 8) 6.0 M WI 2.10M D) 1.50 M E) 2.00 M 21) 21) Which one of the following would act like a strong electrolyte in an aqueous solution? A) NH3 B) CH3OH C) CCl4 22) 22) In which of the following pairs of ionic compounds are both chemical species soluble in water? A) Be(NO312 and Bes(PO4)2 C)Cu S and PbBr2 B) NH4F and...
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