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alukav5142 [94]
3 years ago
8

Sorry is if you cant see or know it

Chemistry
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

i know

Explanation:

but i should trygggffff

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sleet_krkn [62]

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pangea

Explanation:

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3 years ago
Can somebody please help me understand how to do this
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101, because the atomic number is equal to the number of protons
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How does the arrangement of particles in a gas differ from the arrangements in liquids and solids?
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4 years ago
What volume, in Liters, of a 2.00 M KCl solution contains 2.5kg of KCl? Molar mass of KCl= 74.55g/mole
Julli [10]
C_{m}=\frac{n}{V_{r}}\\\\
n=\frac{m_{s}}{M}\\\\
C_{m}=\frac{m_{s}}{MV_{r}} \ \ \ |*MV_{r}\\\\
C_{m}MV_{r}=m_{s} \ \ \ |:C_{m}M\\\\
V_{r}=\frac{m_{s}}{C_{m}M}\\\\\\
m=2.5kg=2500g\\
M=74.55\frac{g}{mol}\\
C_{m}=2\frac{mol}{L}\\\\
V_{r}=\frac{2500g}{2\frac{mol}{L}*74.55\frac{g}{mol}}\approx16.77L
7 0
3 years ago
Doing an experiment about electroplating, you attempt to coat silver in gold using a basic electroplating set-up. You take the m
Elan Coil [88]

Answer:

it’s mass was greater than when it started

Explanation:

When a metal is coated with another metal, the plating metal deposits on the plated metal. Usually, the plating metal functions as the anode while the plated metal functions on the cathode. The anode metal is oxidized and reduced at the cathode and become deposited on the cathode material. This increases the mass of the cathode. Hence the mass of the silver/gold product is greater than the mass of silver at the beginning of the electroplating process.

3 0
3 years ago
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