Rhus Toxicodendron extract 10mg/mL Sterile water for inject q.s. 100mL Sig: as directed How many milliliters...

Question

Question

Rhus Toxicodendron extract 10mg/mL

Sterile water for inject q.s. 100mL

Sig: as directed

How many milliliters of a 100mg/mL concentrate of Rhus Toxicodendron extract should be used in preparing the prescription?

Know the answer is 0.01mL concentrate but do not know how to get that answer...

Answer 1

Answer #1

Equation: C1*V1 = C2*V2

C1= 10mg

V1=100ml

C2=100mg

V2= C1*V1
---------
C2

      = 10*100
        -----------      = 10ML
            100

Answer 2

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