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Romashka-Z-Leto [24]
3 years ago
7

Which pair of diseases could both be treated effectively with antibiotics

Chemistry
2 answers:
Margaret [11]3 years ago
5 0

Answer:

cholera and salmonella

Explanation:

i believe so

Elanso [62]3 years ago
3 0
Athletes foot and antibiotics
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A divalent metal oxide contains 60 % of metal. What is atomic weight of metal ?​
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Atomic weight of metal : 24

<h3>Further explanation </h3>

Proust states the Comparative Law that compounds are formed from elements with the same Mass Comparison so that compounds have a fixed composition of elements

Divalent metal oxide=XO

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MW XO₂ =  X+16

\tt \%mass=\dfrac{Ar~X}{X+16}\times 100\%\\\\0.6=\dfrac{X}{X+16}\\\\0.6(X+16)=X\\\\0.6X+9.6=X\\\\0.4X=9.6\rightarrow X=24

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2 years ago
When looking at the equilibrium between calcium sulfate and its aqueous ions, what could be added to solution to promote precipi
Lorico [155]

The common ion effect is the decreased solubility of the ionic precipitate in the solution. To promote the precipitation of the calcium sulfate, magnesium sulfate must be added.

<h3>What is the common ion effect?</h3>

It is a phenomenon that is due to the addition of the common ion already present in the solution that affects the equilibrium and is used to decrease the solubility of the solute present in the solution to increase the precipitation rate.

Magnesium sulfate will be added to the solution as it already contains the sulfate ion in the form of calcium sulfate. This will increase the precipitation of the compound as the common ion added will decrease the solubility.

Therefore, magnesium sulfate will be added to promote precipitation.

Learn more about common ion effect here:

brainly.com/question/17278748

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