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▼ Part A How many milliliters of a 1.60 M NaBr solution contain 74.3 g of NaBr?

▼ Part A How many milliliters of a 1.60 M NaBr solution contain 74.3 g of NaBr?

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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**Course Home** **Homework Chapter 9 - Attempt 1** **Problem 9.102** **Part A** How many milliliters of a 1.60 M NaBr solution contain 74.3 g of NaBr? *Express your answer with the appropriate units.* There is an input box for entering the value and units, with buttons for submitting the answer, requesting the answer, and providing feedback.
Transcribed Image Text:**Course Home** **Homework Chapter 9 - Attempt 1** **Problem 9.102** **Part A** How many milliliters of a 1.60 M NaBr solution contain 74.3 g of NaBr? *Express your answer with the appropriate units.* There is an input box for entering the value and units, with buttons for submitting the answer, requesting the answer, and providing feedback.
### Problem 9.74 **Part A:** Michelle's doctor orders 5.1 mg of compazine, which is used to treat vertigo. If the stock solution is 2.3% (m/v), how many milliliters are administered? **Express your answer to two significant figures and include the appropriate units.** ``` Value: [ ] Units: [ ] ``` **Submit Button** - Provide Feedback --- **Text Explanation:** As a dialysis patient, Michelle has a 4-hour dialysis treatment three times a week. When she arrives at the dialysis clinic, her weight, temperature, and blood pressure are taken, and blood tests are done to determine the level of electrolytes and urea in her blood. In the dialysis center, tubes to the dialyzer are connected to the catheter she has had implanted. Blood is then pumped out of her body, through the dialyzer where it is filtered, and then returned to her body. As Michelle's blood flows through the dialyzer, electrolytes from the dialysate move into her blood, and waste products in her blood move into the dialysate, which is continually renewed. To achieve normal serum electrolyte levels, dialysate fluid contains sodium, chloride, and magnesium levels that are equal to serum concentrations. These electrolytes are removed from the blood only if their concentrations are higher than normal. Typically, in dialysis patients, the potassium ion level is higher than normal. Therefore, initial dialysis may start with a low concentration of potassium ion in the dialysate. During dialysis, excess fluid is removed by osmosis. A 4-hour dialysis session requires at least 12 L of dialysis fluid. During dialysis, the electrolytes in the dialysate are adjusted until the electrolytes have the same levels as normal serum. Initially, the dialysate solution prepared for Michelle contains the following: HCO₃⁻, K⁺, Na⁺, Ca²⁺, Mg²⁺, Cl⁻, glucose.
Transcribed Image Text:### Problem 9.74 **Part A:** Michelle's doctor orders 5.1 mg of compazine, which is used to treat vertigo. If the stock solution is 2.3% (m/v), how many milliliters are administered? **Express your answer to two significant figures and include the appropriate units.** ``` Value: [ ] Units: [ ] ``` **Submit Button** - Provide Feedback --- **Text Explanation:** As a dialysis patient, Michelle has a 4-hour dialysis treatment three times a week. When she arrives at the dialysis clinic, her weight, temperature, and blood pressure are taken, and blood tests are done to determine the level of electrolytes and urea in her blood. In the dialysis center, tubes to the dialyzer are connected to the catheter she has had implanted. Blood is then pumped out of her body, through the dialyzer where it is filtered, and then returned to her body. As Michelle's blood flows through the dialyzer, electrolytes from the dialysate move into her blood, and waste products in her blood move into the dialysate, which is continually renewed. To achieve normal serum electrolyte levels, dialysate fluid contains sodium, chloride, and magnesium levels that are equal to serum concentrations. These electrolytes are removed from the blood only if their concentrations are higher than normal. Typically, in dialysis patients, the potassium ion level is higher than normal. Therefore, initial dialysis may start with a low concentration of potassium ion in the dialysate. During dialysis, excess fluid is removed by osmosis. A 4-hour dialysis session requires at least 12 L of dialysis fluid. During dialysis, the electrolytes in the dialysate are adjusted until the electrolytes have the same levels as normal serum. Initially, the dialysate solution prepared for Michelle contains the following: HCO₃⁻, K⁺, Na⁺, Ca²⁺, Mg²⁺, Cl⁻, glucose.
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