Asked by Muhammad Haris

The concentration of a hydrochloric acid solution is 0.5mol/dm3.
How many moles of hydrochloric acid are present in 25cm3 of this solution?
A) 0.0125
B) 0.0200
C) 12.5
D) 20.0
Answered by oobleck
25cm^3 * 0.5mol/1000cm^3 = 12.5/1000 = 0.0125 mole
Answered by Fayazhusssain
0.0125
Answered by Priscilla
D)20
Answered by Anonymous
sfasadfwwd
Answered by Aleena
0.001 x 25 = 0.025 (conversion from cm3 to dm3)
mole = concentration x volume (solutions)
0.025 x 0.5 = 0.0125