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e-lub [12.9K]
3 years ago
7

What is the a property of a base

Chemistry
2 answers:
TiliK225 [7]3 years ago
8 0
<span>1 ) Bases conduct an electric current. </span>
<span>2 ) Bases have Usually no smell (except NH3! ) </span>
<span>3 ) Bases are substances which will restore the original blue color of the most of the acids</span>
Savatey [412]3 years ago
5 0
Bases have a Ph do gretater than 7
They are bitter in taste
They are soapy texture
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covalent compounds

Explanation:

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Using the molarity equation, calculate how many grams of salt you need in order to make 80ml of a 2M solution (MW = 58.44g/mole)
ollegr [7]

Answer:

9.35g

Explanation:

The molarity equation establishes that:

\textrm{molarity}=\frac{\textrm{moles  of solute}}{\textrm{liters of solution}}

So, we have information about molarity (2M) and volume (80 ml=0.08 l), with that, we can find the moles of solute:

\textrm{moles of solute}=\textrm{molarity}*\textrm{liters of solution}

\textrm{moles of solute}= 0.08 \textrm{ l} *2\textrm{ M} = 0.16 \textrm{ mol}

The  mathematical equation that establishes the relationship between molar weight, mass and moles is:

\textrm{molar weight}= \frac{\textrm{mass}}{\textrm{moles}}

\textrm{MW}= \frac{\textrm{m}}{\textrm{n}}

We have MW (58.44g/mole) and n (0.16 mol), and we need to find m (grams of salt needed) to solve the problem:

\textrm{m} = \textrm{MW * n}= 58.44\frac{\textrm{g}}{\textrm{mol}} * 0.16 \textrm{ mol} = 9.35 \textrm{ g}

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3 years ago
In the analysis of hair and fiber samples, which does a compound comparison microscope allow for that a conventional compound mi
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Hello people ~
pochemuha

Answer:

C

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2H²O <-----> H³O+ + OH-

If you notice initially we have 4 hydrogen atoms and 2 oxygen atoms. And similarly after the reaction we have 4 hydrogen atoms and 2 oxygen atoms.

Ratio of H to O is 4:2

or 2:1

This is very intuitive as we have 2 hydrogen atoms and 1 oxygen atom in a water molecule.

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