question 21

a pharmacy technician is preparing 1 l of 3% nacl solution. how many g of nacl should the technician use?

40 g
8 g
30 g
16 g

Question

question 21

a pharmacy technician is preparing 1 l of 3% nacl solution. how many g of nacl should the technician use?

40 g
8 g
30 g
16 g

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "tutor", "mastery_adaptive_brevity" ], "needs_drawing": false, "concepts_used": [ "Pharmacy Calculations" ], "new_concepts": [], "current_concepts": [ "Pharmacy Calculations", "Dosage Calculations" ] } ## Convert volume to milliliters Using the *Pharmacy Calculations* knowledge point $$ V = 1\text{ L} = 1000\text{ mL} $$ ## Calculate mass of solute Using the *Pharmacy Calculations* knowledge point $$ \begin{aligned} \text{Concentration} &= 3\% \text{ w/v} = \frac{3\text{ g}}{100\text{ mL}} \ \text{Mass of NaCl} &= 1000\text{ mL} \times \frac{3\text{ g}}{100\text{ mL}} = 30\text{ g} \end{aligned} $$

(A) 40 g

(B) 8 g

(C) 30 g

(D) 16 g

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Algebra", "Pharmacy Calculations" ] }

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QUESTION IMAGE

Question

Explanation:

Convert volume to milliliters

Calculate mass of solute

Answer: