Question

10 ml of 5% sugar solution is mixed with 20 ml of 10% sugar solution. What
is the final concentration of solution?
HINT: Total mass of solute= 5/100X 10 + 10/100X 20
=
= 0.5 + 2
2.5g​

Answer 1

Answer:

Explanation:

for 100ml solution--> 5ml sugar

so for 1ml soln --> 5/100 ml sugar

so for 10ml soln---> 5/10 or 0.5 ml of sugar

similarly in 2nd case

for 100ml sol -----> 10 ml sugar soln

so for 1ml sol ------> 10/100 ml sugar soln

so for 20ml sol ----> (10×20)/100 ml or 2ml

therefore total = 2+.5 =2.5

it's not even chemistry, just apply basic math