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------------------------------------------------ A solution was ordered for 5 mEq of sodium. You have a 1.35 mEq/mL solution of NaCl. How many mL do you need to prepare the 5 mEq of Na?

A 5 meq Na solution using a 1.35 meq/ml NaCl solution, we will need approximately 3.7 ml of the 1.35 meq/ml NaCl solution to prepare the 5 meq Na solution.

To find out how many milliliters (ml) of the 1.35 meq/ml solution of NaCl you need to prepare the 5 meq Na solution, you can use a simple ratio calculation.

Given:
- The concentration of NaCl solution: 1.35 meq/ml
- The amount of Na required: 5 meq

To calculate the volume of the NaCl solution needed, we can set up a proportion using the ratios of meq to ml:

1.35 meq / 1 ml = 5 meq / x ml

Cross-multiplying, we get:

1.35 meq * x ml = 5 meq * 1 ml

Simplifying, we have:

x ml = (5 meq * 1 ml) / 1.35 meq
x ml = 3.7 ml (rounded to one decimal place)

You will need approximately 3.7 ml of the 1.35 meq/ml NaCl solution to prepare the 5 meq Na solution.

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