Question

0.5 g of a substance is dissolved in 25 g of solvent. Calculate the percentage amount of the substance in the solution.
a) 1.96
b) 1.68
c) 1.86
d) 1.06

#AMU ENTRANCE PREPARATIONS

Answer 1

Hello...

total mass = 0.5+25

= 25.5

percentage % =0.5/25.5+×100

= 1.9607 %

CORRECT ANSWER :- 1.96

Answer 2

hello !!


as we know that


solute => 0.5


solvant => 25.5



hence


total mass of substance =>


0.5 / 25.5 * 100



therefore , 1.96



hence , Option number"" a "". is correct !!


hope it helps!!!


thanks