Question

#1050 of LethalDose-101 The administration of 100 mmoles or more of potassium ions to a patient would probably be lethal. Which of the following would you consider to be a safe dose of potassium chloride (molar mass 74.55)? Select one: a. 500 ml of a 5 percent solution (w/v) b. 50 ml of a 2 M solution C. 125 ml of a 10g/100ml solution d. 25 ml of a 200 mM solution e.none of above #1085 of LethalDose-101 The administration of 100 mmoles or more of potassium ions to a patient would probably be lethal. Which of the following would you consider to be a safe dose of potassium chloride (molar mass 74.55)? Select one a. 50 ml of a 20 percent solution (w/v) b. 50 ml of a 0.1 M solution c. 500 ml of a 20 g/L solution d. 200 ml of a 0.5 M solution e. none of the above

Answer 1

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1. molority molen Volume x (A) Thn, 500 mi 5'%. (wN) 25 gm - 25 muSbt Ed.3353 mon 335. 3 mmele (6) 50 ml M om 50 X 2 moles Pocum) Cumofe) 100 mmoles Co 125 mi 109/10am na = 10 x 125 12.5 gm 12.5 74.Tmoler mmos Cd) 25 mt f 200 mM ns =167.65 Lan 20 umafe 25 Lx 20 X10 M 0.005molen Saum a01 nuw s = (sate) Thung aption d) is urrect The end prablem is axacty pucednrt, nome Founy the sam d.1 amy 6) 50 ml T LX0.1 M 5 mmoleA <100 mmles safe) Tan hera opti n b) A uYYeet