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Nesterboy [21]
3 years ago
8

50 POINTSS !!!! HELP

Chemistry
1 answer:
Tanya [424]3 years ago
6 0
Do you have anymore information
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How many molecules are in 2.50 moles of h2o
aivan3 [116]
To find out how many molecules you have, you need to multiply the number of moles with Avogadros constant: 2.50 * 6.022 * 10²³ = 1.5055 * 10^24.
3 0
4 years ago
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A sample of the chiral molecule limonene is 79% enantiopure. what percentage of each enantiomer is present? what is the percent
Degger [83]

Answer :  The % of (+) limonene isomer = 79%


                The % of (-) limonene isomer = 0%


                The % of enantiomeric excess = 58%


Explanation :   Enantiomeric excess (ee) is the measurement of purity used for chiral substances.


Given,


% of pure limonene enantiomer = The % of (+) limonene isomer = 79%


Therefore, The % of (-) limonene isomer = 0%


Formula used :  

\%(+)\text{ isomer}=\frac{ee}{2}+50\%


Where,         ee → enantiomeric excess


Now, put all the values in above formula, we get the value of enantiomeric excess (ee).


     {ee}=\frac{\%(+)-50\%}{2}


            =\frac{79\%-50\%}{2}


              = 58%



7 0
3 years ago
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A solution contains 90 mL of methanol, 18 mL of propanol, and 2 mL of diethyl ether. Which is the solvent in this solution
Ulleksa [173]

Answer:

Methanol

Explanation:

6 0
4 years ago
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Explain how interactions between Earth’s spheres keep water cycling between them
Elenna [48]
There are several process in the nature, which keeps water cycling between them. By Precipitation, Earth's sphere gets water which we use in several ways, and by evaporation & sublimation, it goes back to upper spheres of the Earth's atmosphere and cycle happens again & again.

Hope this helps!
3 0
3 years ago
Hi friends so i rly need help in this question um plz answer
levacccp [35]
7. Average Atomic Mass
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10.Ions
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4 years ago
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