It is estimated that an adult with an average daily diet has a sodium chloride intake of 15 g per day. How many milliequivalents of sodium and how many millimoles of sodium chloride are represented in the daily salt intake?
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- What is the amount of dextrose in mg/kg/min provided by the following TPN for a 60 kg patient? Round to 1 decimal place, do not enter units Dextrose (70%) 320 g Amino acids (8.5%) 92 g Lipids (10%) 44 g sodium chloride 60 mEq sodium acetate 40 mEq Sodium phosphate 15 mmol potassium chloride 80 mEq potassium acetate 30 mEq calcium gluconate 18 mEq magnesium sulfate 8 mEq Multivitamins 10 mL Trace elements 1 mL Total volume: 2640 mL Rate: 110 mL/hrIt is recommended that children should have fluoride supple- ments for their teeth if the fluoride content of drinking water is 0.7 ppm or less. How much is this when expressed as a concentration of micrograms per litre?Creatinine, 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.
- How many grams is one mole of potassium phosphate K2HPO4 is?The concentration of glucose in blood is approximately 90 mg/100 mL. What is the mass/volume percent concentration of glucose? What is the molarity of glucose?You are supplied with the following: NaCl (Mr = 58.443 g/mol) 250 mM Tris-Cl, pH 8 solution (1 Litre) EDTA, sodium salt (Mr = 380.2 g/mol) 13 % Sodium dodecyl sulfate solution Proteinase K solution (150 mg dissolved in 1 ml ddH2O) You need a digestion buffer consisting of the following: 23.5 mM NaCl 750 uM Tris-Cl, pH 8 38 mM EDTA, pH 8 1.2 % Sodium dodecyl sulfate 1.75 mg/ml proteinase K Calculate: How will you prepare 750 ml of the digestion buffer? Show all your steps and calculations and remember to explain how exactly you will make it up.
- Calculate pNF concentration in each cuvette using Beer-Lambert’s Law. ε = 18,000 M-1 cm-1; b = 2.00 cm Cuvette 1 pNF 1 mL Water 2 mL Absorbance 0.546The amount of calcium in physiologic fluids can be determined by a complexometric titration with EDTA. In one such analysis, a 0.100-mL sample of blood serum was made basic by adding 2 drops of NaOH and titrated with 0.001 M EDTA, requiring 0.238 mL to reach the end point. Report the concentration of calcium in the sample as miligrams of Ca per 100 mL. (Ca = 40.078 amu).Determine the fluoride ion concentration for a saturated solution of magnesium fluoride. K sp = 7.4 x 10-11
- How many grams is one mole of potassium chloride KCI?Refer to the following titration curve below: 13 12 11 10 7 5 4 3 2 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 How many buffering regions are present in the titration curve of the amino acid?You are supplied with the following: NaCl (Mr = 58.443 g/mol) 2.5 M Tris-Cl, pH 8 oplossing / solution (1 Litre) EDTA, sodium salt (Mr = 380.2 g/mol) 10 % Sodium dodecyl sulfate solution Proteinase K solution (50 mg dissolved in 1 ml ddH2O)You need a digestion buffer consisting of the following: 15 mM NaCl 75 mM Tris-Cl, pH 8 16 mM EDTA, pH 8 0.8 % Sodium dodecyl sulfate 0.75 mg/ml proteinase KCalculate: How will you prepare 500 ml of the digestion buffer?