Question

How many mL of 1.50 M HCl are needed to titrate 25.0 mL of 1.20 M Ca(OH)2?

Answer 1

Any idea ??

Answer 2

@Creativegenius

Answer 3

The acid should equal the base?

Answer 4

yeah so the formula for it is Ca x Va = Cb x Vb

Answer 5

As we have to find Va so Va = Cb x Vb / Ca

Answer 6

so would it be 20?

Answer 7

mL

Answer 8

I didn't solve it .. :)

Answer 9

yeah its come 20mL ..

Answer 10

it said i was wrong it was 40mL

Answer 11

wait wait I missed Something

Answer 12

Balance equation Ca(OH)2 + 2 HCl = CaCl2 + 2 H2O
So formula is Ca x Va = 2 x Cb x Vb 'cause two moles of Acid ...
Sorry I skipped this step .. :)

Answer 13

Its ok thank you ;-)

Answer 14

np :)