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Paladinen [302]
3 years ago
15

How many grams of CaCl, are needed to prepare 120 mL of 450 M Cach solution?

Chemistry
1 answer:
harkovskaia [24]3 years ago
5 0

Answer:

<em>gggyyhhhhjjjjjjhhhhhhhhhhhhhjjjjj</em>

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How many moles of mercury(Hg) are in 1.30 *10.7 atoms or mercury
Svetach [21]
1 mole Hg --------------- 6.02x10²³ atoms
?? moles Hg ------------ 1.30x10⁷ atoms

(1.30x10⁷) x 1 / 6.02x10²³ => 2.159x10⁻¹⁷ moles 
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3 years ago
Which of the following is a chemical property of a base?
juin [17]

Answer:

D) forms hydronium ions in water

Explanation:

Texture and conductivity are physical properties which makes answer A and B wrong. Answer C does not refer to a chemical reaction.

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Which determines the frequency of a sound wave? A the intensity of the sound waves B the rate at which the sound source is vibra
andreyandreev [35.5K]

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b

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The empirical formula is P₂O₃
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If metal ions in a solution were reduced, what would you expect to see?
marysya [2.9K]

Answer:

Solid metal

Explanation:

The reduced form of metal ions is the metal in elemental state (simple substance). So, if you have a solution with metal ions and they are reduced, you probably will see the deposition of the metal. For example: if you have a solution with sodium ions (Na⁺), and the ions are then reduced, you will see the aparition of a solid phase of metallic sodium (Na(s)), according to the following half-reaction:

Na⁺ + e- → Na(s)

8 0
2 years ago
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