Question

8) What volume of sulfuric acid (98% by mass, density 1,84 g/mL) is needed for preparation of
300 ml of a solution with a 0.1 mol/L concentration? (Mr = 98)
a) 3.21 mL
b) 1.56 mL
c) 0.631 mL d) 1.63 mL e) no answer is
correct​

Answer 1

Answer:

Given,

M

H

2

SO

4

=

98×100

98×1.80

×1000=18.0

M

1

V

1

=M

2

V

2

18.0×V

1

=1×0.1

V

1

=5.55×10

−3

L=5.55 mL

Hence, volume required is 5.55 mL.

Hence, the correct option is C