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nasty-shy [4]
3 years ago
12

Y Ggg I Ip us Edd u I by

Chemistry
2 answers:
oksano4ka [1.4K]3 years ago
8 0
English please ?? .....
Dimas [21]3 years ago
3 0

Answer:

??

Explanation:

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What is the atomic mass equal to?
mixer [17]

Atomic mass is equal to the total number of electrons  neutrons and protons

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3 years ago
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Predict the geometry about each interior atom in acetic acid:
aleksandr82 [10.1K]

The atomic structure of the acetic acid is:

                        H     O

                        l       l

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We can see from the structure that there are 2 interior atoms, and these are all Carbon atoms.


The geometry is:

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3 years ago
When 500 g of water is cooled from 80.0°C to 10.0°C, how much heat energy is lost?
vampirchik [111]

I don’t know

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Please help its urgent
mrs_skeptik [129]

Answer:

C

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8 0
2 years ago
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What is the percentage strength (w/w) of a solution made by dissolving 62.5 g of potassium chloride in 187.5 ml of water?
kiruha [24]

Percent strength (% w/w) of a solution is defined as the amount of solute present in 100 g of the solution.

Given data:

Mass of the solute, potassium chloride = 62.5 g

Volume of water (solution) = 187.5 ml

We know that the density of water = 1 g/ml

Therefore, the mass corresponding to the given volume of water

= 187.5 ml * 1 g/1 ml = 187.5 g

We have a solution of 62.5 g of potassium chloride in 187.5 g water

Therefore, amount of solute in 100 g of water= 62.5 * 100/187.5 = 33.33

The percentage strength = 33.33 %

8 0
3 years ago
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