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Andru [333]
3 years ago
13

If you filter a mixture of sand and salt-water, what will the solid residue in the filter paper consist of?

Chemistry
1 answer:
julia-pushkina [17]3 years ago
8 0
Sand only bc the salt dissolved and sand doesn't
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Let’s say you try to get crafty. Instead of directly heating your carbontetrachloride with the Bunsen Burner, you decide it woul
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What would be the pH of an H2SO4 solution if the [H+] = 4.58 x 10-5 moles/liter?
Ghella [55]

Answer: pH of an H_2SO_4 solution is 4.34

Explanation:

pH or pOH is the measure of acidity or alkalinity of a solution.

pH is calculated by taking negative logarithm of hydrogen ion concentration.

pH=-\log [H^+]

H_2SO_4\rightarrow 2H^++SO_4^{2-}

Putting in the values:

pH=-\log[4.58\times 10^{-5}]

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Thus pH of an H_2SO_4 solution if the [H^+] is 4.58\times 10^{-5}] is 4.34

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Use the periodic table to choose the correct name for each of the following substances. Check all tha
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phosphorus trichloride

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If Sally has 250 grams of cement, how many kilograms does she have? How many milligrams?
MissTica

Answer:

0.250 kg

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8 0
1 year ago
Which statement best describes a typical difference that could be found between the "Analysis" and "Conclusion" sections of a
IgorC [24]

The statement “Only the “Conclusion” section discusses whether the original hypothesis was supported, and both sections suggest further  research”, best describes the difference between analysis and conclusion.

Answer: Option 4

<u>Explanation: </u>

In research, we do experiments and derive the results. Then, those results were analyzed by us. In this analysis part, we compare our results with the related results published elsewhere. Also, we correlate the similarities and point out the differences between our analysis and other reported results.

In conclusion part, we have to check hypothesis or it supported. And, we summarise our analysis and figure out the further research need to be done on that to improvise our research. So, the final statement is the correct option which best describes the difference between analysis and conclusion.

3 0
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