Asked by Abigail
25 cm3 of 0.1mol/dm3 sodium trioxocarbonateiv solutions was titrated against 23.45cm3 of tetraoxosulphateiv acid solution using phenolphthalein as your indicator calculat molar concentration of the acid
Answers
Answered by
DrBob222
The IUPAC names are sodium carbonate (Na2CO3) and sulfuric acid (H2SO4).
..............H2SO4 + Na2CO3 ==> CO2 + H2O + Na2SO4
millimols Na2CO3 = mL x M = 25 mL x 0.1 M = 2.5
you will use 2.5 mmols of H2SO4. Look at the coefficients.
mL H2SO4 x M H2SO4 = millimols.
23.45 mL x M = 2.5. Solve for M H2SO4. Post your work if you get stuck.
..............H2SO4 + Na2CO3 ==> CO2 + H2O + Na2SO4
millimols Na2CO3 = mL x M = 25 mL x 0.1 M = 2.5
you will use 2.5 mmols of H2SO4. Look at the coefficients.
mL H2SO4 x M H2SO4 = millimols.
23.45 mL x M = 2.5. Solve for M H2SO4. Post your work if you get stuck.
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