Asked by Nagesh
For neutralization of 10ml 10% sodium carbonate how many 1N H2SO4 is required?
Answers
Answered by
DrBob222
I assume the 10% Na2CO3 is 10% by volume. That means you have 10g Na2CO3/100 mL and you take 10 mL of that; therefore, g Na2CO3 titrated by the H2SO4 =
10g x (10 mL/100 mL) = 1.00 g Na2CO3
Second assumption. You don't say what indicator is used for the titration. If phenolphthalein is used the milliequivalent weight of Na2CO3 is 0.106; if methyl red is used the milliequivalent weight of Na2CO3 is 0.053.
mLH2SO4 x NH2SO4 x mewNa2CO3 = 1.00 grams.
Solve for mL H2SO4.
10g x (10 mL/100 mL) = 1.00 g Na2CO3
Second assumption. You don't say what indicator is used for the titration. If phenolphthalein is used the milliequivalent weight of Na2CO3 is 0.106; if methyl red is used the milliequivalent weight of Na2CO3 is 0.053.
mLH2SO4 x NH2SO4 x mewNa2CO3 = 1.00 grams.
Solve for mL H2SO4.
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