# Chemistry

Hello everyone
I need your help at once.

How many grams of CO2 are needed to neutralize a 5 L tank of water with a pH of 11.5?

my answer is around 220 grams of CO2.
is that true or not?

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1. I don't get anywhere near that figures but I may have made some wrong assumptions. If you wish to show your work I'll be happy to check it.

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2. Thank you very much indeed for your effort and quick response Sir.

I guess that my solution is likely to be wrong.

it is necessary to mention that co2 is a one of oil reservoir components at the following conditions: mole percent= 3.6%, reservoir Press. = 3000 - 5000 psi and reservoir Temp. = 200-240 oF.

meanwhile, the figure above has been mistaken and must be corrected to 0.220 gr co2.

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3. honestly speaking, my field is chemical engg. and don't have a good knowledge in this regard.

I solved my question through the solution method of the following sample that had answered in this website and used co2 instead of HCL and set a pH of 7!!!! therefore, the figure of .220 gram of co2 must be wrong.

How many grams of HCl are needed to change 1000 L of water with a pH of 11 to a pH of 5.5?

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