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Aleksandr [31]
3 years ago
5

I have coronia virus say something positive to help me through

Chemistry
2 answers:
Rashid [163]3 years ago
8 0

Answer:

you're a strong person so keep on keeping on.

Explanation:

Grace [21]3 years ago
7 0

Answer:

I hope you get better and stay positive also please stay safe

Explanation:

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you have been observing an insect that defends itself from enemies by secreting a caustic liquid. analysis of the liquid shows i
Alexus [3.1K]

pH of the buffer solution is 1.76.

Chemical dissociation of formic acid in the water:

HCOOH(aq) ⇄ HCOO⁻(aq) + H⁺(aq)

The solution of formic acid and formate ions is a buffer.

[HCOO⁻] = 0.015 M; equilibrium concentration of formate ions

[HCOOH] + [HCOO⁻] = 1.45 M; sum of concentration of formic acid and formate

[HCOOH] = 1.45 M - 0.015 M

[HCOOH] = 1.435 M; equilibrium concentration of formic acid

pKa = -logKa

pKa = -log 1.8×10⁻⁴ M

pKa = 3.74

Henderson–Hasselbalch equation: pH = pKa + log(cs/ck)

pH = 3.74 + log (0.015 M/1.435 M)

pH = 3.74 - 1.98

pH = 1.76

More about buffer: brainly.com/question/4177791

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4 0
1 year ago
Which of the following statements about tolerance range is true?
vovikov84 [41]
A. Tolerance range is different for different organisms.
6 0
3 years ago
A closed flask contains gas at STP. If the temperature is raised to 400 K what will the pressure be in atm?
balandron [24]

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The answer is 1.5 atm

Explanation:

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2 years ago
What type of reaction is shown below?
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<span>What type of reaction is shown below? 

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Read 2 more answers
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