Chemistry How to make 1L 50% sucrose solution from 20% solution?

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To create a 1L 50% sucrose solution from a 20% solution, the formula V1S1=V2S2 is applied. The volumes of the stock solutions for Tris and EDTA are determined as 100ml and 50ml, respectively. The calculation for sucrose involves treating the percentage as a unit that can be canceled, simplifying the process. This approach allows for accurate volume determination of the sucrose needed. The discussion highlights the importance of understanding percentage as a unit in solution preparation.
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Using the formula V1S1=V2S2,
I have found the volumes of stock solutions needed to make Tris-EDTA of the STE buffer.
VTris=100ml and VEDTA=50ml.

How to find out volume of sucrose ?
 
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You would setup the calculation in the same way, treating "%" as a unit that can be canceled on both sides of the equation (for w/v % it is essentially a unit representing "g/100mL").
 
Thank you so much. I got it. Your pointer

treating "%" as a unit

really helped.
 

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