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DedPeter [7]
3 years ago
15

What is the concentration of a saturated solution of SrSO4? SrSO4 has a Ksp of 3.2 x 10–7

Chemistry
1 answer:
Andrej [43]3 years ago
5 0
SrSo4 = Sr(2+) + SO4(2-)

Let’s say that the initial concentration of SrSo4 was 1. ( or we have 1 mole of this reagent).

When The reaction occurs part of SrSo4is dissociated. And we get X mole Sr(2+) and So4(2-).
Ksp=[Sr(2+)]*[SO4(2-)]
X^2=3.2*10^-7
X=5.6*10^-4
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Which two chemical equations model double-replacement reactions?
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Answer:

C. AgNO3 + LICI - AgCl + LINO3

Explanation:

Here the chemical equation for double displacement reaction is

AgNO3 + LICI - AgCl + LINO3

The reaction in which two compounds react together to form two other compounds by mutual exchange of their ions is called double displacement reaction.

Hope it will help :)

6 0
3 years ago
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Preteins vary widely in structure, whereas nucleic acids have rather uniform structures. How do you account for this major diffe
Vedmedyk [2.9K]

Answer:

As proteins vary widely in structures than that of nucleic acid there will be greater structural  and functional diversity of proteins  than nucleic acid.

Explanation:

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Convert 4.6 atm to mmHg.
Evgen [1.6K]
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3 years ago
44.2124+0.81+7.335 significant digits
zhenek [66]

52  

Explanation:

We need to understand and apply the rules of significant figures when carrying out addition operations to solve this problem:

Rules of significant figures:

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  • A final zero or trailing zeros in the decimal portion is significant.
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In addition, the answer of the sum is given to the least number of significant digits of the given numbers:

 

        44.2124

    +    0.81

    +    7.335

sum  52.3574          

Now the least number of significant figure is 2 as seen in 0.81

we round the sum up to 52  

learn more:

Significant numbers brainly.com/question/6384538

#learnwithBrainly

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d

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