Question

The displacement volume of ceftazidime 500 mg in water for injection is. 0.25ml. how many mls of water for injection would you add to a 1g vial of ceftazidime to give a final concentration of 100mg/ml . Give your answer to one decimal place

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Answer to a math question The displacement volume of ceftazidime 500 mg in water for injection is. 0.25ml. how many mls of water for injection would you add to a 1g vial of ceftazidime to give a final concentration of 100mg/ml . Give your answer to one decimal place

Expert avatar
Andrea
4.5
75 Answers
1. Given final concentration required:

100 \text{ mg/ml}

2. Ceftazidime given:

1 \text{ gram} = 1000 \text{ mg}

3. Calculate the total volume required to make:

\frac {1000 \text{ mg}}{100 \text{ mg/ml}} = 10 \text{ ml}

4. Displacement volume of 1g ceftazidime:

0.5 \text{ ml}

5. Volume of water needed:

10 \text{ ml} - 0.5 \text{ ml} = 9.5 \text{ ml}

Final Answer:

9.5 \text{ ml}

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