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bogdanovich [222]
2 years ago
9

What are the 3 states of matter​

Chemistry
2 answers:
nikdorinn [45]2 years ago
6 0

Answer:

the tree states of matter is liquid, gas, and solid

Explanation:

bc I said so

dmitriy555 [2]2 years ago
4 0

Explanation:

gas

liquid

solids

are the 3 states of matter

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A hydrate of CuSO4 has a mass of 12.98 g before heating. After heating, the mass of the anhydrous compound is found to be 9.70 g
lukranit [14]
Explanation of the strategy: 1) calculate the mass of water and convert to number of moles, 2) convert the mass of anhydrous CuSO4 to moles, and, 3)calculate the mole ratio of water to CuSO4 anhydrous

1) Calculate the mass of water:

mass of water = mass of the hydrate CuSO4 - mass of the anhydrous compound

mass of water = 12.98 g - 9.70 g = 3.28g

2) Calculate the number of moles of water

number of moles = mass in grams / molar mass

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3) Calculate the number of moles of CuSO4 anhydrous

number of moles = mass in grams / molar mass

molar mass of Cu SO4 = 159.6 g/mol

number of moles of CuSO4 = 9.70g / 159.6 g/mol = 0.0608 moles

4) Calculate the ratio moles of water / moles of CuSO4

ratio = moles of water / moles of CuSO4 = 0.182 / 0.0608 = 2.99 ≈ 3

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Name: copper(II) sulfate trihydrate.
4 0
3 years ago
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Question 6
I am Lyosha [343]

Answer:

A. is the correct point.

Explanation:

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Concrete is an example of this kind of mixture.
</span>
Hope this helps!
5 0
3 years ago
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