Calculate the pH of a 0.0350M
NaOH solution. Assume NaOH
dissociates completely in water.
pH

12.54

Explanation:

The dissociation equation of NaOH is given below:

NaOH <==> Na+ + OH-

Molarity of NaOH = 0.0350M

From the equation,

Since 1M of NaOH produced 1M of OH-, then, 0.035M of NaOH will also produce 0.035M of OH-..

From the above,

[OH-] = 0.035M

Now, we can solve the pH by doing the following:

pOH = — log [OH-]

pOH = — log 0.035

pOH = 1.46

Recall

pH + pOH = 14

pH = 14 — pOH

pH = 14 — 1.46

pH = 12.54

specific gravity is the density of a substance divided by the density of water. since (at standard temperature and pressure) water has a density of 1 gram/cm3, and since all of the units cancel, specific gravity is usually very close to the same value as density

so "c" is the answer

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the product of the pressure and volume is also constant