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Math, 13.05.2020 11:10 hiraji

40% of a 2: 3 solution of substance a and substance b is replaced with substance b. of the following is true? indicate all correct options.

a. the concentration of substance b increases
b. the concentration of substance a remains the same
c. the ratio of a to b becomes 1: 3
d. the ratio of a to b becomes 5: 11
e. the ratio of a to b becomes 6: 19

with a proper solution not just answer

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