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anyanavicka [17]
4 years ago
12

Technically speaking, in terms of chemistry and physics, steam is visible and can be seen.

Chemistry
2 answers:
Nezavi [6.7K]4 years ago
8 0
A true, hope it’s right
Anna [14]4 years ago
6 0

Answer: A.True

Explanation:

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24. What volume of a 0.0200M calcium hydroxide is required to neutralize 35.00 mL of 0.0500M nitric acid
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Answer:

THE VOLUME OF 0.200M CALCIUM HYDROXIDE NEEDED TO NEUTRALIZE 35 mL of 0.050 M NITRIC ACID IS 43.75 mL.

Explanation:

Using

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Ca = 0.0500 M

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Vb = unknown

Na = 2

Nb = 1

Equation for the reaction:

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So therefore, we make Vb the subject of the equation and solve for it

Vb = Ca Va Nb / Cb Na

Vb = 0.0500 * 35 * 1 / 0.0200 * 2

Vb = 1.75 / 0.04

Vb = 43.75 mL

The volume of 0.02M calcium hydroxide required to neutralize 35 mL of 0.05 M nitric acid is 43.75 mL

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4 years ago
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