Browse Questions

# How much water is to be added to dilute 10ml of 10M HCl to make it decimolar?

$(a)\;990ml\qquad(b)\;1010ml\qquad(c)\;100ml\qquad(d)\;1000ml$

Milli moles of conc.HCl=milli moles of dil HCl
$10\times 10=V\times \large\frac{1}{10}$$\Rightarrow V=1000ml$
Thus 990ml of water should be added to 10ml on conc.HCl to get decinormal solution.
Hence (a) is the correct answer.