Question

2
In a given sample of H, O, each 100 mL of solution
contains 68 mg of H, O, The molarity of the solution
(a) 0.02 M
(c) 2M
(b) 0.2 M
(d) 20 M​

Answer 1

according to the optionsthe compound is H2O2

68/100/34*1000/100

68/340

0.2M

b)0.2M is the answer

hope this helps u

Answer 2

In a given sample of H, O, each 100 mL of solution

contains 68 mg of H, O, The molarity of the solution

(a) 0.02 M

(c) 2M

(b) 0.2 M✔

(d) 20 M