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user100 [1]
3 years ago
13

What's another name for mesh screen

Chemistry
1 answer:
olya-2409 [2.1K]3 years ago
7 0
Another name for a mesh screen is a sieve.
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Does hydrogen have a pH level? If so what is it?
jeyben [28]
The overall concentration of hydrogen ions is inversely related to its pH and can be measured on the pH scale Figure 1 It is neither acidic nor basic, and has a pH of 7.0 Anything below 7.0 is ranging from 0.0 to 6.9)is acidic and anything above 7.0 from 7.1 to 14.0 is alkaline.
8 0
3 years ago
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3 years ago
A sample of sugar (C12H22O11) contains
Oduvanchick [21]

Answer: 0.25 mol

Explanation:

Use the formula n=N/NA

n= number of mols

N =  number of particles

Nᵃ = Avogadros constant = 6.02 x

So, n=

The 10 to the power of 23 cancels out and you are left with 1.505/6.02, which is approximately 1/4. This is the same as 0.25 mol.

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5 0
3 years ago
A student determines that she used 0.0665 mol of sodium hydroxide (NaOH) to completely titrate 25.00 mL of sulfuric acid solutio
AysviL [449]

To determine the concentration of one solution which is specifically basic or acidic solution through taking advantage on its points of equivalence, titration analysis is done.

Let us determine the reaction for the titration below:

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So,

0.0665 mol NaOH (2 mol H2SO4/ 2mol NaOH) / .025 L solution 

= 2.62 M H2SO4


The answer is the fourth option: 

<span>2.62 M</span>
7 0
3 years ago
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