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aksik [14]
2 years ago
8

If the poh of vinegar is 9.45, what is its [oh− ]? round to the nearest hundredth. × 10n m n =

Mathematics
1 answer:
Alinara [238K]2 years ago
7 0

The [OH] of vinegar to the  nearest hundredth is 2.82 * 10^-5

<h3>How to calculate the [OH] of a substance:</h3>

The sum of the pH and pOH of a substance is 14. Mathematically

[OH−] = Antilog (pOH)

Given the following parameters

[OH−] = Antilog (9.45)

Substitute

[OH−] = 2.82 * 10^-5

Hence the [OH] of vinegar to the  nearest hundredth is 2.82 * 10^-5

Learn more on pH and pOH here:brainly.com/question/13557815

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0.191= 19.1%

338mL × 0.191= 64.558mL acid


We round to the nearest tenth, getting a total of 64.6mL acid.


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What is the gcf of 12 and 8
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I NEED AN EXPERT ON SURFACE AREAS..Ill give extra points and brainless​
natta225 [31]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
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2. If the raffle has 200 tickets total, then
klasskru [66]

If the raffle has 200 tickets total, then about 50 tickets will be in the dining out raffle.

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

From the diagram:

Percentage of dinner out = 65% - 40% = 25%

For 200 total tickets:

Number of dinning out raffle = 25% of 200 = 0.25 * 200 = 50 ticket

If the raffle has 200 tickets total, then about 50 tickets will be in the dining out raffle.

Find out more on equation at: brainly.com/question/2972832

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=27%3D%281%2F3%29x%2F2%5C%5C" id="TexFormula1" title="27=(1/3)x/2\\" alt="27=(1/3)x/2\\" align=
ICE Princess25 [194]

Answer:

  x = 162

Step-by-step explanation:

The equation editor lets you properly write exponents, so we have to assume that your equation is supposed to be equivalent to ...

  27 = x/6

  27·6 = x = 162 . . . . multiply by 6

_____

On the off chance you intend ...

27=\left(\dfrac{1}{3}\right)^{\dfrac{x}{2}}

you can solve this by taking logarithms and dividing by the coefficient of x. Using base 3 for the logarithm may be easiest.

\log_3{(27)}=\dfrac{x}{2}\log_3{(3^{-1})}\\\\3=-\dfrac{x}{2} \qquad\text{simplify}\\\\-6=x \qquad\text{multiply by -2}

This version of the equation has solution x = -6.

4 0
3 years ago
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