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Interpretation:
Given the molar mass of
Concept Introduction:
Sum of atomic masses of all the atoms that are represented in chemical formula of substance is known as formula mass. If
Molar mass is the mass that is expressed in grams of a substance that is equal to the formula mass of the substance numerically. Molar mass of an element is unique for the particular element. Two natural elements can never have the same molar mass.
Mole is defined as the amount of substance that has as many elementary particles as there are atoms in exactly 12 grams of
The relationship between the atomic mass unit and grams unit is,
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Chapter 6 Solutions
EBK GENERAL, ORGANIC, AND BIOLOGICAL CH
- A 60 kg patient is on a continuous IV constant rate infusion of theophylline at 30 mg/h. His steady-state concentration is determined to be 12 mg/L. If you assume the theophylline distribution volume to be 22 L, what would be the patients plasma concentration 4 hours after the continuous infusion stopped? Please select one: 0 a. 6.5 mg/L b. 7.6 mg/L c. 4.8 mg/L d. 8.4 mg/L e. 3.7 mg/Larrow_forwardAt 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso = 43.9 Torr) forms a vapor phase with YetOH = 0.6667. The total pressure is 185.9 a. Calculate the activity and the activity coefficient of each component.b. Calculate the total pressure the solution would have if it were ideal.c. Comparing the ideal pressure to the actual pressure, what does this indicate about the molecular interactions?arrow_forwardCarbon dioxide is dissolved in blood (pH 7.5) to form a mixture of carbonic acid and bicarbonate. Part A Neglecting free CO2, what fraction will be present as carbonic acid? (pKa for H₂CO3 and HCO3 are 6.3 and 10.25, respectively) Express your answer using two significant figures. VE ΑΣΦ Submit Request Answer ?arrow_forward
- Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when half of a solution of acetic acid is dissociated to acetate (the pKa of acetic acid is 4.76). A. 1.00 B. 3.76 C. 4.76 D. 5.76arrow_forwardNormal BUN levels are between 7-21 mg%. Which of the following values is within this normal range? Select one: a. 140 mg L-1. b. no other answer is correct. c. 14 mg L-1. d. 1.4 mg L-1. e. 5 mg L-arrow_forwardWhich of those substances are major components of the pulmonary surfactant? Select one: a. Phospholipids b. Carbohydrates c. Proteins d. Glycolipidsarrow_forward
- What condition is may have resulted to the following blood gas results? Blood pH= 7.31 HCO; = 22mEq/L p0z=86 mm Hg Oz saturation=92% PCO2= 48 mmHg A. Ketoacidosis B. Starvation C. Pregnancy D. Emphysema The following are the laboratory results for a 70-year-old man confined in the medical ward. pH = 7.32 PCO2 = 46 mmHg HCOy = 24 40 mEq/L These findings are compatible with the condition A. Respiratory alkalosis B. Respiratory acidosis C. Metabolic alkalosis D. Metabolic acidosis The tautomerism exhibited by the illustration below is classified as: A. Amino-imino tautomerism B. Aldehyde-hemiacetal tautomerism C. Keto-enol ta utomerism D. Cis-trans tautomerism H2N H,Narrow_forwardPut approx. 10 mL of vinegar (HC2H3O2) in a short glass bottle and add 1 piece of rust-free small iron nail. Write your observation after 24 hours. A. Results and observation: В. С- C. Calculation. Determine how much vinegar (HC2H3O2) in gal. is required to react with an iron nail to produce 32.5 g of hydrogen. The density of HC2H3ot is1.053 g/mL. 2.arrow_forwardGiven the equation of the line, y=150x-8.1221 (cells per mL is in 10^8), what is the CFU per mL of the original suspension if the thousand-fold dilution of that suspension has an absorbance of 0.3 at 600nm? * A. 3.7 x 10^12 B. 3.7 x 10^9 C. 3.7 x 10^1 D. None of these is correctarrow_forward
- A given amount of blood have 19% O2 measured at 0 °C and 1.0 atm. Hemoglobin in the blood can carry up to four molecules of O2. Calculate how many molecules of hemoglobin is present in 1.0 L of blood.arrow_forwardWhat is the pH of 0.6M acetic acid?a. 4.5 x 10 ^-7b. 3.33 x 10^ -3c. 2.1 x 10 ^-3 d. 1.33 x 10 ^-5arrow_forwardBased on the Henderson-Hasselbalch equation (shown below), calculate the pH when the ratio of acetic acid to acetate is 10 to 1 (the pKa of acetic acid is 4.76). A. 1.00 B. 3.76 C. 4.76 D. 5.76arrow_forward
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