In preparing an IV infusion containing sodium bicarbonate, 50 mL of a 75% (w/v) sodium bicarbonate...

In preparing an IV infusion containing sodium bicarbonate, 50 mL of a 75% (w/v) sodium bicarbonate (z=84) injection were added to 500 mL of D5W. How many mEq of sodium are represented in the total infusion (round to one decimal)

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Expert Solution

75%(w/v), means 75 g of sodium bicarbonate present in 100 ml solution.

so that, amount of sodium bicarbonate present in sample = 50*75/100 = 37.5 g

No of equivalents of sodium bicarbonate = 37.5/(84) = 0.4464 equiv

(equivalent mass of sodium bicarbonate = 84/1= 84 g/equiv)

No of mEq of sodium are represented in the total infusion = 0.4464*10^3

= 446.4 meq

queen_honey_blossom answered 1 year ago

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