150cm3
75cm3
30cm3
25cm3
Correct answer is A
Using the formula, CAVACBVB=NANB, we have
0.1×VA0.3×25=21
VA=0.3×25×20.1×1
VA=150cm3
The refreshing characteristic taste of fizzy drinks is due ot the presence of ...
Sodium chloride is used in the following processes except in the ...
Which of these represents a redox reaction? ...
Alkaline hydrolysis of naturally occurring fats and oils yields...
Going down group II in the periodic table normally ...
The gaseous product formed when ammonia is passed over heated copper (ll) oxide is...
The relationship between equilibrium constant and free energy change is represented as ...