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Creatures that live in fresh water have blood and body fluids that are saltier than the water in which they swim. This leads to water entering the body by osmosis that must be excreted in the urine, which is therefore less salty than the blood. A freshwater crayfish has 0.42 mol of dissolved salts per liter of blood, compared to 0.12 mol of dissolved salts per Iter of urine Part A What is the osmotic pressure difference at 25°C? Express your answer with the appropriate units. HA All-Value Units ?

Creatures that live in fresh water have blood and body fluids that are saltier than the water in which they swim. This leads to water entering the body by osmosis that must be excreted in the urine, which is therefore less salty than the blood. A freshwater crayfish has 0.42 mol of dissolved salts per liter of blood, compared to 0.12 mol of dissolved salts per Iter of urine Part A What is the osmotic pressure difference at 25°C? Express your answer with the appropriate units. HA All-Value Units ?

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Creatures that live in fresh water have blood and body fluids that are saltier than the water in which they swim. This leads to water entering the body by osmosis that must be excreted in the urine, which is therefore less salty than the blood. A freshwater crayfish has 0.42 mol of dissolved salts per liter of blood, compared to 0.12 mol of dissolved salts per inter of urine. Part A What is the osmotic pressure difference at 25°C? Express your answer with the appropriate units. All = Submit Value Request Answer < Return to Assignment Units Provide Feedback ?
Transcribed Image Text:Creatures that live in fresh water have blood and body fluids that are saltier than the water in which they swim. This leads to water entering the body by osmosis that must be excreted in the urine, which is therefore less salty than the blood. A freshwater crayfish has 0.42 mol of dissolved salts per liter of blood, compared to 0.12 mol of dissolved salts per inter of urine. Part A What is the osmotic pressure difference at 25°C? Express your answer with the appropriate units. All = Submit Value Request Answer < Return to Assignment Units Provide Feedback ?
The sap that comes from sugar maple trees is about 2% sucrose CH₂O) and 90% water. The sap is then concentrated to create the thick maple syrup you pour on pancakes in the traditional method, bolling concentrated the sap Today, many producers start by using reverse asmosis. The kit for a sma producer runs at a pressure of 490 kPa Assume the total density of the concentrate is very close to that of water. Part A With 25°C sap entering at 2.0% sucrose, what is the maximum concentration of the resulting concentrate? Express your answer as a percentage VO AZO Jour- Subint Hearst Answer 4 Ĉ ( ? %
Transcribed Image Text:The sap that comes from sugar maple trees is about 2% sucrose CH₂O) and 90% water. The sap is then concentrated to create the thick maple syrup you pour on pancakes in the traditional method, bolling concentrated the sap Today, many producers start by using reverse asmosis. The kit for a sma producer runs at a pressure of 490 kPa Assume the total density of the concentrate is very close to that of water. Part A With 25°C sap entering at 2.0% sucrose, what is the maximum concentration of the resulting concentrate? Express your answer as a percentage VO AZO Jour- Subint Hearst Answer 4 Ĉ ( ? %
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