According to Aristotle’s density equation, if 3.161 grams of the sugar sucrose (C12H22O11) occupies a volume of 2.0 cubic centimeters, then sucrose must have a density of: 0.6327 grams/cm3 B. 1.5805 grams/cm3 2.322 grams/cm3 10.322 grams/cm3 25.288 grams/cm3
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- According to Aristotle’s density equation, if 3.161 grams of the sugar sucrose (C12H22O11) occupies a volume of 2.0 cubic centimeters, then sucrose must have a density of:
- 0.6327 grams/cm3
- B. 1.5805 grams/cm3
- 2.322 grams/cm3
- 10.322 grams/cm3
- 25.288 grams/cm3
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- According to Aristotle’s density equation, if 4.686 grams of the sugar glucose (C6H12O6) occupies a volume of 3.0 cubic centimeters, then glucose must have a density of: 14.058 grams/cm3 7.686 grams/cm3 1.686 grams/cm3 1.562 grams/cm3 0.6402 grams/cm3Creatinine, C4H7N3O, is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly reliable indicator of kidney function. The normal level of creatinine in the blood for adults is approximately 1.0 mg per deciliter (dL) of blood. If the density of blood is 1.025 g/mL, calculate the molarity of a normal creatinine level in a 10.0 mL blood sample.The concentration of cholesterol (C27H46O) in blood is approximately 5.0 mM. How many grams of cholesterol are in 250 mL of blood?
- The molecular weight of ethanol (CH3CH2OH) is46 and its density is 0.789 g/cm3.A. What is the molarity of ethanol in beer that is 5%ethanol by volume? [Alcohol content of beer varies fromabout 4% (lite beer) to 8% (stout beer).]B. The legal limit for a driver’s blood alcohol contentvaries, but 80 mg of ethanol per 100 mL of blood (usuallyreferred to as a blood alcohol level of 0.08) is typical. Whatis the molarity of ethanol in a person at this legal limit?C. How many 12-oz (355-mL) bottles of 5% beer coulda 70-kg person drink and remain under the legal limit? A70-kg person contains about 40 liters of water. Ignore themetabolism of ethanol, and assume that the water contentof the person remains constant.You have just used up the last of a 1.2 % m/m solution of agarose in water. You require another 100mls. How many grams of Agarose do you require? Note 1ml of water=1g What is the % w/v of a 100ml solution containing 5g of NaCl?A physician prescribes a prescription of Doriden, 325 mg, which requires you to prepare 30 capsules to be taken by a patient 1 hour before bedtime. Assuming that you will make a minimum of extra powder, how many tablets will you use to make this prescription? How many capsules will you calculate for? (Doriden is available in your pharmacy as a 500 mg tablet weighing 750 mg) Select one: a. 20 tablets, 30.77 capsules b. 19 tablets, 30 capsules c. 19 tablets, 32 capsules d. 20 tablets, 40 capsules What is the weight in grams of 1 Liter of alcohol (density, 0.816 g/mL? O O O
- A solution is made by dissolving 9.5 g of sucrose, C12H22O11 (molar mass 342.3 g mol-1) in water to make 250.0 mL of solution. What is the molarity of the solution?Draw an approximate titration curve of glycine. Label the approximate isoelectric point of the glycine on the curve and be sure to label the axis of the graph. Pk1 is 2.35 and pk2 is 9.78 for glycine.The principal component of many kidney stones is calcium oxalate, CaC2O4 . A kidney stone recovered from a typical patient contains 8.5 * 1020 formula units of calcium oxalate. How many moles of CaC2O4 are present in this kidney stone? What is the mass of the kidney stone in grams?
- Refer to the following titration curve below: 13 12 11 10 7 6 5 4 4 6 8 10 12 14 16 18 20 22 24 26 28 30 Volume of Titrant / mL - Unknown Acid 0.10 mol/L - titrant = NaOH 0.1 mol/L What is the isoelectric point of histidine, according to the titration curve? Input your answer until the first decimal point. 2. 9,If you need to make 2L of 0.25M Glucose, how many grams of glucose do you need Formula for glucose: C6H12O6Calculate the unknown concentration of the PROTEIN C with an absorbance value of A412 given the standard curve indicated in the table below. Write your final answer (NUMBER ONLY) in two decimal places rounded off. Protein concentration (µg/mL) 0 0.02 0.04 0.06 0.08 0.10 Your answer APIENT Absorbance 0.000 0.161 0.284 0.438 0.572 0.762