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motikmotik
2 years ago
8

What are things that we use that are made of the elements on the periodic table

Chemistry
1 answer:
mylen [45]2 years ago
6 0

Answer:

all matter (everything) is made of the elements on the periodic table

Explanation:

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A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the
Sveta_85 [38]

Answer:

The volume of HCl to be added to completely react with the ammonia is 0.032 L or 32mL

Explanation:

Using the formula

Ca Va = Cb Vb

Cb = 0.32 M

Vb = 50 mL = 50/1000 = 0.050L

Ca = 0.5 M

Va =?

Substituting for Va in the equation, we obtain:

Va = Cb Vb / Ca

Va = 0.32 * 0.05 / 0.5

Va = 0.016 / 0.5

Va = 0.032 L

The volume of HCl to be added to completely react with the ammonia is 0.032 L or 32mL

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3 years ago
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2 years ago
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How many moles of nacl are required to make 500. 0 ml of a 0. 1 m solution of nacl?.
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Answer:

Therefore 500 ml of solution have 0.25 mol of NaCl .. = 14.61 g (ans.)

Explanation:

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2 years ago
Explain what air is, where on Earth it occurs, and how it moves to create wind.
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How many milliliters are in one milligram?
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