Posted by **Lost In Studies** on Tuesday, September 28, 2010 at 5:02am.

Please reply as soon as possible, I really need the answer urgently. How many grams of NaOH are required to completely neutralize 100ml of 1M solution of H2SO4?

- Chemistry -
**Dr Russ**, Tuesday, September 28, 2010 at 6:19am
Start with the equation for the reaction

NaOH + H2SO4 -> Na2SO4 + H2O

which you need to balance.

Then from the equation how many moles of NaOH react with each mole of H2SO4?

Calculate number of moles of H2SO4 used (M)

M=0.1 x 1 M =

How many moles of NaOH needed? (N)

Calculate molecular mass of NaOH (MM)

mass required = MM x N

- Chemistry -
**Lost in Studies**, Wednesday, September 29, 2010 at 5:03am
Thanks for help,

Just a bit of confusion,

Upon balancing, he equation appears like this:

2NaOH + H2SO4 --> Na2SO4 + 2H2O

So it is clear that 2 moles of NaOH are needed to react each mole of H2SO4, then why use M = 0.1 x 1M = ?

And what's 0.1 in this formula?

Awaiting your reply.

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