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Colt1911 [192]
3 years ago
5

Write net Brønsted equations that show the acidic or basic nature of the following solutions in water. For polyprotic species (v

itamin C, lemon juice, and washing soda), show only one proton transfer. Remember that spectator ions are not included. (Use the lowest possible coefficients. Omit states-of-matter in your answer.)
(a) vinegar (acetic acid, HC2H3O2)
(b) bleach (sodium hypochlorite, NaOCl)
(c) ammonia (NH3)
(d) Vitamin C (ascorbic acid, H2C6H6O6)
(e) lemon juice (citric acid, H3C6H5O7)
(f) washing soda (sodium carbonate, Na2CO3)
Chemistry
1 answer:
Snezhnost [94]3 years ago
3 0

Answer:

The reactions are shown in the explanation

Explanation:

The net bronsted equation will include the acid / base and its dissciated product. (conjugate base or acid and hydrogen or hydroxide ions)

a) Vinegar

CH{3}COOH+H_{2}O--->CH{3}COO^{-}+H_{3}O^{+}

b) bleach

NaOCl+H_{2}O--->HOCl+Na^{+}+OH^{-}

c) ammonia

NH_{3}+H_{2}O--->NH_{4}^{+}+OH^{-}

d)Vitamin C

H_{2}C_{6}H_{6}O_{6}+H_{2}O--->HC_{6}H_{6}O_{6}^{-}+H_{3}O^{+}

e)Citric acid

H_{3}C_{6}H_{6}O_{7}+H_{2}O--->H_{2}C_{6}H_{6}O_{7}^{-}+H_{3}O^{+}

f) Washing soda

Na_{2}CO_{3} +H_{2}O--->NaHCO_{3}^{-}+OH^{-}

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Answer:

(b) 2.60%

Explanation:

Partition coefficient of the organic compound in ether is:

9.5 = Concentration in ether / Concentration in water

In the first extraction, X is the amount of organic compound extracted:

9.5 = X/50mL / (1-X)/200mL

9.5 = 200X / (50-50X)

475 - 475X = 200X

475 = 675X

X = 0.7037g are extracted.

Remains = 1g - 0.7037g = 0.2963g

Second extraction:

9.5 = X/50mL / (0.2963-X)/200mL

9.5 = 200X / (14.815-50X)

140.74 - 475X = 200X

140.74 = 675X

X = 0.2085g are extracted.

Remains = 0.2963g - 0.2085g = 0.0878g

Third extraction:

9.5 = X/50mL / (0.0878g-X)/200mL

9.5 = 200X / (4.3899-50X)

41.70 - 475X = 200X

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X = 0.2085g are extracted.

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Percentage: 0.026g / 1g * 100 =

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3 years ago
The graph below shows the electronegativities of the elements in the periodic table. A graph with the horizontal axis labeled pe
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Answer:

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The chemical equation using symbols and formula is
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Answer:

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