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quester [9]
3 years ago
8

Drugs that can be determined by acid base titration

Chemistry
1 answer:
Sladkaya [172]3 years ago
8 0

Answer:

Explanation:

an acid base tritation is the determination of the corncerntration of an acid or base by exactly neutralizing the acid or base with an acid or base of known concentration. This is always for quantitative analysis of the corncerntration of an unknown acid or base solution.It makes use of the neutralization reaction that occura between acids and base.

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In another experiment, the student titrated 50.0 mL of 0.100 M HC,H,O, with
____ [38]

Answer:

Eqv Pt pH = 8.73

Explanation:

    HOAc                   +            NaOH            =>            NaOAc              + H₂O

50ml(0.10M HOAc)  +  50ml(0.10M NaOH) => 100ml(0.05M NaOAc) + H₂O

For neutralized system, 100ml of 0.05M NaOAc remains

NaOAc => Na⁺ + OAc⁻

Na⁺ + H₂O => No Rxn

          OAc⁻  +  H₂O  => HOAc + OH⁻

C(i)   0.05M       -----        0M      0M

ΔC        -x           -----         +x        +x

C(f)    0.05-x      

       ≅ 0.05M    -----          x          x

Kb = Kw/Ka = [HOAc][OH⁻]/[OAc⁻] = 1 X 10⁻¹⁴/1.7 X 10⁻⁵ = (x)(x)/(0.05M)

=> x = [OH⁻] = SqrRt(0.05 x 10⁻¹⁴/1.7 x 10⁻⁵) = 5.42 x 10⁻⁶M

=> pOH = -log[OH⁻] = -log(5.42 x 10⁻⁶) = 5.27

pH + pOH = 14 => pH = 14 - pOH = 14 - 5.27 = 8.73 Eqv Pt pH

8 0
3 years ago
How is a polar compound formed?
sergejj [24]

Answer: when two atoms do not share electrons equally in a covalent bond.

Explanation:

8 0
3 years ago
Read 2 more answers
How many unpaired electron are there is CO2+ ion
Leviafan [203]

3 unpaired electrons...

3 0
3 years ago
Identify the following as elements or compounds: NH3, N2, S8, NO, CO, CO2, H2, SO2.
cupoosta [38]

Answer and Explanation:

Elements : N_2,S_8 these are not compounds because for making compound there should be at least combination of two different elements but N_2,S_8 are made up of same type of elements so these are elements

Compounds: NH_3,CO,NO,CO_2,SO_2 these all are compound because they are made up of different types of elements after combining together

4 0
3 years ago
30g of glucose and 20 g common salt is dissolved in 500 mL of water to make solution. Calculate the concentration of a (a) gluco
WINSTONCH [101]

Answer:

The answer of a is 5.45% and b is 3.64%

Explanation:

Density of water = 1 g/mL

∴ Mass of water (solvent) = 500 g

Mass of solute (glucose) = 30 g

Mass of solute (common salt) = 20g

Mass of solution = (30 + 20 + 500) g = 550 g

<h2>a.) </h2>

Mass percentage of solution for glucose

= Mass of solute (gucose)/Mass of solution × 100

= 30/550 x 100

= 5.45 %

<h2>b.) </h2>

Mass percentage of solution for common salt

= Mass of solute (common salt)/Mass of solution × 100

= 20/550 × 100

= 3.64 %

Thus, The answer of a is 5.45% and b is 3.64%

<u>-</u><u>The</u><u>U</u><u>nknown</u><u>S</u><u>cientist</u><u> </u><u>72</u>

3 0
2 years ago
Read 2 more answers
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