Cody

# Problem 419. Acidity of vinegar and salts

Solution 55803

Submitted on 3 Mar 2012 by Alan Chalker
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### Test Suite

Test Status Code Input and Output
1   Pass
%% NaOH=0; % mol sodium_acetate = 0.1; % mol acetic_acid = 0.1; % mol pH = round(buffer(NaOH, sodium_acetate, acetic_acid)*10)/10 pH_correct = 4.7; assert(isequal(pH,pH_correct))

pH = 4.7000

2   Pass
%% NaOH=0.025; % mol sodium_acetate = 0.1; % mol acetic_acid = 0.1; % mol pH = round(buffer(NaOH, sodium_acetate, acetic_acid)*10)/10 pH_correct = 4.9; assert(isequal(pH,pH_correct))

pH = 4.9000

3   Pass
%% NaOH=0.05; % mol sodium_acetate = 0.1; % mol acetic_acid = 0.1; % mol pH = round(buffer(NaOH, sodium_acetate, acetic_acid)*10)/10 pH_correct = 5.2; assert(isequal(pH,pH_correct))

pH = 5.2000

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