3. Complete the following sentence using quantitative or qualitative The field of chemstry
associated with the idestificaton of sutntances is termed 4. Insert in the Answer column (colunn
M3), the correst formula (from column 8 21 far each "Househals ew coumn in colmn s 12 points
COLUMN 1 COLUMN 2 Formula Baking Soda Ammonia Cleanisg Solution NaHCO, Egsom
Salts Na0Cl Question 5 [20 points] 1 Provided below are results of an acid-bave ttration using 0
1200 M sodum hydrowide. The ttration was carried out to determine the mass uf potassium acid
phthalate, KHGH,?, (Molar mass 204.2 E/mol) in an unknown sample. Sodium hydrcowide was
placed in the burvtte. Determine the percent of potassiom acid phthalate in the sample, uning the
data below. [11 pointsl I Mass of KHCH used 2 Final burette reading initial burette reading
Volume of O 1200 M NaOH used 2145 m 10ml ml. SHOW CALCULATIONS FOR ITEMS S
THROUGH 10 IN THE SPACES PROWVDED ON PAGE s Moles of 0.1200 M NaCH used 14
points) 6 Moles of KHCH.O2 points Mass of KHGGH.O12 points KHGHO, 12 points | Average
% KHCaHa0. [1 point] 10 Standard Deviation |2 points) Page 6 c
Solution
Hi as per chegg policy experts can answer 1 full question or 4-sub parts. I am going to answer
first two questions for you, please post the third question as seperate one. Thanks for you
cooperation.
3. The field of chemistry associated with the identification of substances is termed as qualitative
analysis. (In case of identifying the amount of substances then it is termed as quantitative
analysis).
4.
Baking soda ---------------- NaHCO 3 (sodium bicarbonate)
Ammonia cleaning solution ------------------ NH 4 OH (ammonium hydroxide)
Bleach ------------------------ NaOCl (sodium hypochlorite)
Epsom salt ------------------- MgCl 2 .7H 2 O (magnesium sulfate heptahydrate)
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