4 years ago

Determine the molar mass of the following elements. Include units in your answer.

1 answer:

8 0

Do the atomic mass times the number of atoms you have. That'll give you your answer. Hope it helps!

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rusak2 [61]

I would say copper, silver, and tin, since an alloy is a mixture of metals and metalloids.

6 0

3 years ago

mariarad [96]

Answer:

b. 4.4

Explanation:

pH is related to the concentration of H₃O⁺ through the following equation:

pH = -log([H₃O⁺]) = -log(4 x 10⁻⁵)

pH = 4.4

8 0

4 years ago

Ne4ueva [31]

HEY THERE

THATS EASY...

YOU CAN USE A MAGNET TO ATTRACT THE IRON FILLINGS WHICH WOULD THEN SEPARATE FROM THE SAND.

6 0

4 years ago

Crank

Answer: The donating of hydrogen ions is what makes an acid an acid. A base, however, is a substance that accepts hydrogen ions.

Explanation:

8 0

4 years ago

bezimeni [28]

Answer:

The pH of a solution with a (H+] = 0.80 M is $9.6 e^{-2}$

Explanation:

As we know

pH = -[log H+]

Substituting the value of H+ ion concentration in the above equation, we get -

pH = -log [0.80]

pH $= -[-0.096] = 0.096 = 9.6 e^{-2}$

8 0

3 years ago