Question

How many $\mathrm{mEq}$ of magnesium sulfate (molecular weight $=120$ ) are represented in $30-\mathrm{mL}$ dose of a $20 \%$ (w/v) magnesium sulfate extemporaneous laxative preparation?

   How many $\mathrm{mEq}$ of magnesium sulfate (molecular weight $=120$ ) are represented in $30-\mathrm{mL}$ dose of a $20 \%$ (w/v) magnesium sulfate extemporaneous laxative preparation?

Essential Math and Calculations for Pharmacy Technicians

Essential Math and Calculations for Pharmacy Technicians

Indra K. Reddy,… 1st Edition

Chapter 12, Problem 15

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A 20% (w/v) solution means there are 20 grams of magnesium sulfate in 100 mL of solution. \[ \text{Amount in 30 mL} = \left(\frac{20 \, \text{g}}{100 \, \text{mL}}\right) \times 30 \, \text{mL} = 6 \, \text{g} \] Show more…

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How many $\mathrm{mEq}$ of magnesium sulfate (molecular weight $=120$ ) are represented in $30-\mathrm{mL}$ dose of a $20 \%$ (w/v) magnesium sulfate extemporaneous laxative preparation?

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