3 years ago

Which formula represents Carbonic acid

1 answer:

8 0

Answer:

H2CO3 represents carbonic acid

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Gnoma [55]

Answer:

$2.14*10^{-3} mol$

Explanation:

number of moles of C8H9NO2 = $\frac{mass}{molar mass}=\frac{324*10^{-3} g}{151.163g/mol}=2.14*10^{-3}mol$

The trick is to remember to convert milligrams to grams because molar mass is normally presented in grams per mole

7 0

3 years ago

enot [183]

Filtration

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3 0

3 years ago

Blababa [14]

Answer:

Evaporation is the method of separating a solid (solute) from a homogeneous solution.

in this method, the solution is heated until the solvent gets evaporated in the form of vapor and the solute is left behind as residue.

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1 year ago

yulyashka [42]

Answer:

option B

Explanation:

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2 years ago

djverab [1.8K]

Answer:

Explanation:

I believe the answer is D.

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3 years ago