What is the percent of Caco, in an antacid given that a tablet weighed 1.3198 g reacted with 50.00 ml of 0.4486 N HCI that subsequently required 3.72 ml of 0.1277 N NaOH for back titration? Also report the milligrams of Caco, in the tablet.

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Show solution. Round off answer to four decimal places. Formula is given. Answer: % CaCO3 = _% weight of CaCO3 = _mg
N x V x mEq
sample weight(g)
% рurity
sx wt (g)
x 100
N =
mEq x mL of solution
= fM
[(N x V)acid – (N × V)base] × mEq
Sx wt (g)
% purity =
× 100
(V blank – V sample) × N × mEq
sample weight (g)
% purity :
X 100
Transcribed Image Text:N x V x mEq sample weight(g) % рurity sx wt (g) x 100 N = mEq x mL of solution = fM [(N x V)acid – (N × V)base] × mEq Sx wt (g) % purity = × 100 (V blank – V sample) × N × mEq sample weight (g) % purity : X 100
What is the percent of Caco, in an antacid given that a tablet weighed 1.3198 g reacted with 50.00 ml of 0.4486 N HCI that
subsequently required 3.72 ml of 0.1277 N N2OH for back titration? Also report the milligrams of Caco, in the tablet.
Transcribed Image Text:What is the percent of Caco, in an antacid given that a tablet weighed 1.3198 g reacted with 50.00 ml of 0.4486 N HCI that subsequently required 3.72 ml of 0.1277 N N2OH for back titration? Also report the milligrams of Caco, in the tablet.
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