Calculate the hydrogen-ion concentration [H+] for the aqueous solution in which [OH-] is 1 x 10-11 mol/L. Is this solution acidic, basic, or neutral? Show your work

Answers

Answer 1

Answer: You can use the fallowing equations:
pH=-log[H⁺]
pH=14-pOH
pOH=-log[OH⁻]
[H⁺]=K(w)/[OH⁻] (K(w)=1.01×10⁻¹⁴)

You can use any of those equation in what ever order to find the [H⁺] and then pH. If pH>7, the solution is basic. If the pH<7, the solution is acidic.

I will show you how I would find it but there is more than one way to do it.
[H⁺]=(1×10⁻¹⁴)/(10⁻¹¹)
[H⁺]=0.001M
pH=-log(0.0010)
pH=3.00
Therefore the solution is acidic.

I hope this helps. Let me know in the comments if anything is unclear.

Answer 2

Answer:

Answer:

If we have $[H+][OH-] = Kw = 1.0 x 10^-^1^4$

Then $[H+]= Kw/ [OH-]= 1.0x 10^-^1^4/ 1 x 10^-^1^1 =1 x 10^-^3 mol/L$

$pH = - log [H+] = - log 1 x 10^-^3 = 3$ $< 7$

This is a Acidic Solution

hope this helps

give brainliest if you please

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Determining nitrogen balance in the clinical setting can be very valuable. To determine a client’s state of nitrogen balance, a 24-hour urinary urea nitrogen collection is done. What do you also need to do?

Answers

Answer:

We also need the nitrogen intake

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Which of the following compounds does NOT contain molecules?a. H2
b. NaCl
c. CO2
d. H2O

Answers

Answer:

NaCl does not contain molecules

Explanation:

Molecules are made of multiple atoms bonded together to form a single entity.

In $H_(2)$ (H-H), two hydrogen atoms are bonded together through a covalent bond. Hence it is a molecule.

In $CO_(2)$ (O=C=O), one carbon atom and two oxygen atoms are bonded together through double bond. Hence it is molecule

In $H_(2)O$ (H-O-H), one oxygen atoms and two hydrogen atoms are bonded together through single bond. Hence it is a molecule.

In NaCl, $Na^(+) and Cl^(-)$ ions are held together through ionic attraction forces. Here no actual bond exists between $Na^(+) and Cl^(-)$ . Both $Na^(+) and Cl^(-)$ remain present as individual ions.

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Which of the following elements would be classified as a nonmetal? sulfur aluminum silicon calcium

Answers

sulfur is a non metal

Sulfur is considered a non-metal. Thanks for posting your question. Feel free to ask me any question. I might not always know the answer. Although i'll try to answer correctly. Have a good day love.

A neutral atom of iron has a mass number of 56 and an atomic number of 26. How many protons, electrons and neutrons are in this atom? Explain how you determine each number.

Answers

so here its given ..
mass no. = 56
and atomic no. = 26

=> in an atom there is an equal number of electrons and protons ...(e=p)..
=> also atomic number is the number of the electrons or protons ..
=> so here we got the no. of electrons and protons ..which is 26 ..
=> to find the number of neutrons in an atom , subtract atomic number from the mass number..i.e, 56 - 26 = 30 ...

=> so there are 26 electrons , 26 protons and 30 neutrons in the given atom ...

Hope it helps !!!

A white solid is flammable and dissolves in hexane. Would you expect this compound to be organic or inorganic?

Answers

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What is organic molecule.?

Any chemical substance that has carbon-hydrogen, as well as carbon-carbon bonds is considered an organic molecule.

What is flammable?

The term "flammable substances" refers to those gases, liquids, as well as solids that, when exposed to an ignition source, would catch fire and keep burning in the air. Many flammable and explosive substances have a volatile character, which means they rapidly evaporate and continuously emit vapors.

A chemical characteristic, like corrosion resistance, was flammability. A material's physical characteristics, including its hardness, density, melting point, and thermal conductivity, can be measured or observed without using force or chemical alterations. A material's phase changes when it melts, not just its identity.

There are some properties of organic molecules.

An abundance of carbon.
Saturation in organic solvents.
Covalent bonds form
A low boiling as well as melting point.

To know more about organic molecule

brainly.com/question/10504103

#SPJ2

The answer is organic. The most important hint is it can dissolves in hexane which is organic. And the other hint is flammable. Then you can say this compound is likely to be organic.

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