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3 years ago

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two alcohols are used in our everyday lives - rubbing alcohol and ethylene glycol. In terms of molecular polarity why is rubbing

alcohol, 2-propanol soluble in water

1 answer:

dangina [55]3 years ago

7 0

Answer:

https://www.edencsd.org/cms/lib/NY19000545/Centricity/Domain/38/Organic%20Answers.pdf

Explanation:

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The ksp of manganese(ii) carbonate, mnco3, is 2.42 × 10-11. calculate the solubility of this compound in g/l.

Vikki [24]

Answer : The solubility of this compound in g/L is $565.414\times 10^{-6}g/L$ .

Solution : Given,

$K_{sp}=2.42\times 10^{-11}$

Molar mass of $MnCO_3$ = 114.945g/mole

The balanced equilibrium reaction is,

$MnCO_3\rightleftharpoons Mn^{2+}+CO^{2-}_3$

At equilibrium s s

The expression for solubility constant is,

$K_{sp}=[Mn^{2+}][CO^{2-}_3]$

Now put the given values in this expression, we get

$2.42\times 10^{-11}=(s)(s)\\2.42\times 10^{-11}=s^2\\s=0.4919\times 10^{-5}=4.919\times 10^{-6}moles/L$

The value of 's' is the molar concentration of manganese ion and carbonate ion.

Now we have to calculate the solubility in terms of g/L multiplying by the Molar mass of the given compound.

$s=4.919\times 10^{-6}moles/L\times 114.945g/mole=565.414\times 10^{-6}g/L$

Therefore, the solubility of this compound in g/L is $565.414\times 10^{-6}g/L$ .

8 0

3 years ago

I need help asap! !!

tekilochka [14]

The answer is the answer that answers this question which gives u the answer

3 0

3 years ago

When barium hydroxide is mixed with ammonium chloride, a fall in temperature is observed why? plz explain in detail

Oksanka [162]

Answer:

Ammonium chloride has ammonium (NH4 +) part which is slightly acidic and Barium Hydroxide is a strong base.

You can see that an acid-base reaction will occur.

In this case :

Its highly endothermic reaction

Forms aqueous ammonia (mind that ammonia is highly water soluble gas so no effervesence) and Barium Chloride which is water soluble.

Ba(OH)2 +NH4Cl ——->BaCl2 + NH3 +H2O (unbalanced)

4 0

3 years ago

The decrease in the quality of water caused by the discharge of solid or liquid waste into it is called water pollution true or

mafiozo [28]

Answer:

The answer to this is TRUE.

3 0

3 years ago

17 p<br> 18 n<br> What is the atomic number of this element?

Verdich [7]

Answer:

Chlorine

Explanation:

The P usually stands for Protons, and that is usually the element number. (chlorine is 17) N is for neutron

6 0

3 years ago