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One vial of COVID-19 vaccine, when thawed, contains 0.45 mL of solution. Before it is administered, 1.80 mL of a 0.154 mol L NaCl solution is added to the vial. Assuming there is no NaCl in the original vaccine, what is the mass of NaCl in a standard 0.30 mL dose taken from this vial by syringe? (M(NaCl) = 58.44 g mol-¹). (A) 0.00216 g (B) 0.0162 g (C) 0.00486 g (D) 0.00270 g

One vial of COVID-19 vaccine, when thawed, contains 0.45 mL of solution. Before it is administered, 1.80 mL of a 0.154 mol L NaCl solution is added to the vial. Assuming there is no NaCl in the original vaccine, what is the mass of NaCl in a standard 0.30 mL dose taken from this vial by syringe? (M(NaCl) = 58.44 g mol-¹). (A) 0.00216 g (B) 0.0162 g (C) 0.00486 g (D) 0.00270 g

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter21: Chemistry Of The Main-group Elements
Section: Chapter Questions
Problem 21.171QP
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Chemistry 2. One vial of COVID-19 vaccine, when thawed, contains 0.45 mL of solution. Before it is administered, 1.80 mL of a 0.154 mol L-¹ NaCl solution is added to the vial. Assuming there is no NaCl in the original vaccine, what is the mass of NaCl in a standard 0.30 mL dose taken from this vial by syringe? (M(NaCl) = 58.44 g mol-¹). (A) 0.00216 g (B) 0.0162 g (C) 0.00486 g (D) 0.00270 g
Transcribed Image Text:Chemistry 2. One vial of COVID-19 vaccine, when thawed, contains 0.45 mL of solution. Before it is administered, 1.80 mL of a 0.154 mol L-¹ NaCl solution is added to the vial. Assuming there is no NaCl in the original vaccine, what is the mass of NaCl in a standard 0.30 mL dose taken from this vial by syringe? (M(NaCl) = 58.44 g mol-¹). (A) 0.00216 g (B) 0.0162 g (C) 0.00486 g (D) 0.00270 g
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