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romanna [79]
3 years ago
12

Which molecule,when added to a solution, would give the solution the highest ph?

Chemistry
1 answer:
olchik [2.2K]3 years ago
7 0
The correct answer among the choices given is option A. Hydrochloric acid is a much stronger acid than sulfuric acid given that the concentration both is equal. This can be proved by the pKa of these acids. Hydrochloric acid has a pKa of -6  while the pKa of sulfuric acid is -3. The lower the value of the pKa, the stronger the acidity of the substance.
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What’s the molar mass of magnesium oxalate
maria [59]

Hey there!

Magnesium oxalate: MgC₂O₄

Mg: 1 x 24.305 = 24.305

C: 2 x 12.01 = 24.02

O: 4 x 16 = 64

----------------------------------

                   112.325 g/mol

The molar mass of magnesium oxalate is 112.325 g/mol.

Hope this helps!

8 0
4 years ago
How many moles of Cu in 7.81 * 10^21 atoms of Cu
ICE Princess25 [194]
Use avogadro's number---> 6.02 x 10^23 atoms= 1 mol

7.81 x 10^21 (1 mole/ 6.02 x 10^23)= 0.0130 moles of Cu
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3 years ago
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Explanation:

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8 0
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