3 years ago

If the pH of a solution is 5.4 then the concentration of H+ ions is ___|_x10^-6

1 answer:

6 0

H is 4*10^6 M , OH is 2.5*10^-9 M

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Archy [21]

Answer:

1.13moles

Explanation:

Given parameters:

Number of atoms = 6.777 x 10²³ atoms

Unknown:

Number of moles = ?

Solution:

A mole of a substance contains the avogadro's number of particles

6.02 x 10²³ particles = 1 mole

6.777 x 10²³ atoms will contain $\frac{ 6.777 x 10^{23} }{6.02 x 10^{23} }$ = 1.13moles

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mariarad [96]

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NeX [460]

The answer to your question is letter D. Secured.

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