NEET Chemistry Hydrogen Questions Solved


A given solution of H2O2 is 30 volume. Its concentration in terms of molarity is:

(a) 9.1 M

(b) 2.68 M

(c) 2.5 M

(d) 26.8 M

 

(b) 30 mL O2 is obtained by34 ×3011200 g H2O2/mL   M= 34 ×30×100011200×34=2.68 M

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