Calculation of concentration

SOPs
1

Hi
In the SOP for prpeparation of disinfectant fluids ,to prepare 2.5% solution 0.25ltr is mixed with 25ltr. Is this not 1% solution.Pls confirm
Thanks
RK

2

its 1%.

3

for 2.5% add 0.625 Lit

4

formula please with example…thank you in advance

5

Thank you

6

2.5/100*25

7

Thank you so much sir… but could you please give me with different percentage and different volume. please please sir

8

3% for 18 liter
3/100*18=0.54 lit

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