What are the relative percentage (%) of species (B) and (C) at pH 7.2? (Note: treat pka's as written, i.e., no environmental/local A COOH H₂N-C-H CH₂ SH Cysteine pka₁ = 2 B COO™ H₂N-C-H CH₂ I SH Cysteine interaction effects) C COO- H₂N-C-H CH₂ S- Cysteine pkaR = 8.2 pka₂ = 10.3 D COO- H₂N-C-H CH₂ I S- Cysteine
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- Cimetidine is used in the treatment and management of gastric ulcers and gastroesophageal reflux disease. In the case of an active ulcer, cimetidine can be administered continuous by IV infusion at a dose rate of 37.5 mg/hr. If the concentration of the cimetidine solution is 6 mg/ml, then how many milliliters must be available for a 4-hr infusion?Misoprostol is used to prevent NSAID-induced gastric ulcers. A daily dose consists of two tablets administered four times each day. What is the size of one day’s dose if each tablet contains 100 mcg of misoprostol?A vial of Doxorubicin reads 0•5g per vial. Instructions say to reconstitute each 12mg with 2•5ml of NS. How many ml of NS will be needed to reconstitute the vial of the recommended concentration? please show workingCarcinoembryonic antigen (CEA) is a protein biomarker related to colon cancer. Its concentration is known to be about 20 ng/mL in healthy people and higher than 2.5 µg/mL in the patients. The molecular weight of CEA is 180 kDa. What would be the molar concentrations (M or mole/liter) of 20 ng/mL and 2.5 ug/mL, respectively?
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