Question

What is the initial volume, in mL needed to prepare 150 mL of 3.0% (m/v) glucose from 22% (m/v) glucose

Answer 1

we all know that V1S1=V2S2

Step-by-step explanation:

Now V2=150ml

S2=3%

S1=22%

V1=?

V1S1=V2S2

V1=V2S2/S1

V1= 150*3/22

= 20.45ml

The initial volume needed to prepare 150ml 3%glucose from 22%glucose is 20.45ml.