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julia-pushkina [17]
2 years ago
11

What species are in the buffer region of a weak acid–strong base titration? How are they different from the species at the equiv

alence point? How are they different from the species in the buffer region of a weak base–strong acid titration?
Chemistry
1 answer:
Misha Larkins [42]2 years ago
3 0

The pH will start high and decrease, as opposed to starting low in increasing, but the buffer region is still at the beginning and the equivalence point is still in the middle.

<h3>What is weak acid?</h3>

Corrosive strength is the propensity of a corrosive, represented by the synthetic recipe HA, to separate into a proton, H+, and an anion. Powerless acids don't totally separate into their particles in water. For instance, HF separates into the H + and F - particles in water, yet some HF stays in arrangement, so it's anything but a solid corrosive. There are a lot more powerless acids than solid acids. Most natural acids are feeble acids. A feeble corrosive isn't totally ionized in arrangement. For instance, hydrofluoric corrosive, HF, is a feeble corrosive. At the point when broken up in water, HF particle exist in balance with H +, which responds with water to shape hydronium, and F - particles. Since the corrosive doesn't totally separate into its ionic parts, it is a frail corrosive.

Learn more about weak acid, visit

brainly.com/question/9091286

#SPJ4

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Sodium-potassium pumps are examples of what type of cellular transport?
Dmitrij [34]

Answer:

Active transport

Explanation:

Sodium-potassium pumps are examples of Active type of cellular transport. Sodium potassium pump exchanges sodium ions from potassium ions through the plasma membrane of animal cells.

Whereas Active transport can be defined as movement of ions and molecules across a cell membrane to the region  of higher concentration with the help of enzymes and energy.

5 0
4 years ago
Can someone who expert in chemistry be my personal tutor? I'm so desperate​
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3 years ago
A field worker is exposed to a xylene for a duration of 8 weeks at 40 hrs/wk. The concentration of xylene in the workplace is 40
Andrej [43]

Answer:

The chronic daily intake during the period of exposure is most nearly 0.012 mg/kg day.

Explanation:

Number of hours worker exposed to xylene = 40 hr/week\times 8 week = 320 hours

The concentration of xylene in the workplace =40 \mu g/m^3

The worker is inhaling air at a rate of 0.9 m^3/hr.

Amount xylene inhaled by worker in an hour :

= 40\mu g/m^3\times 0.9 m^3/hr=36 \mu g/hr

Amount xylene inhaled by worker in 320 hours:

36 \mu g/hr\times 320 hr=11,520 \mu g=11,520\times 0.001 mg=11.520 mg

1 μg = 0.001 mg

Amount xylene inhaled by worker in 320 hours = 11.520 mg

1 day = 24 hours

Amount xylene inhaled by worker in 1 day:

\frac{24}{320}\times 11.520 mg=0.864 mg

Assuming 70 kg body mass, the chronic daily intake of xylene :

\frac{0.864 mg/day}{70 kg}=0.01234 mg/ kg day\approx 0.012 mg/ kg day

The chronic daily intake during the period of exposure is most nearly 0.012 mg/kg day.

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3 years ago
Are Si valence electrons shared? <br><br> Are C valence electrons shared?
MariettaO [177]

Answer:

4

Explanation:

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Something that can be broken down by living organisms is
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