Why is knowledge of percent composition important in the mining process?

to know what percent of a compounds mass is due to a certain element.

Difference between Compounds and Alloys:

Alloys metals and metals, Compounds metals and non metals

Difference between homogenous and heterogenous mixture:

Homogenous mix evenly and Heterogenous not mixed

Which one is correct?

Solute dissolves in the solvent

Volume of solute / volume of solution X 100

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Chemistry Review Midterm

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Questions 14

Answers

1
A solution is saturated when it comes all the solute it can dissolve:
True
False
2
C6H12O6, percent off carbon?:
45%
6.6%
50%
42%
3
Why is knowledge of percent composition important in the mining process?
It is basic knowledge and we need to know the amount of the elements
Besucase it is going to help you in your daily life.
We need to know the amount of elements we are dealing with
to know what percent of a compounds mass is due to a certain element.
4
Solute and solvent are the parts of a solution:
True
False
5
What is an aqueos solution?:
Solution were solvent is gas
Solution were solvent is heterogenous
Solution were solvent is solute
Solution were solvent is water
6
Homogenous mixture between two or more substances:
Solid
Mixture
Gas
Solution
7
Difference between Compounds and Alloys:
Alloys metals and non metals, Compounds metals and metals
Alloys metals and metals, Compounds metals and metals
Alloys metals and metals, Compounds metals and non metals
Alloys are the same of Compounds
8
The amount of solute in a mixture:
Solvent
Mass
Solution
Concentration
9
Difference between homogenous and heterogenous mixture:
Homogenous or heterogenous
Homogenous mix evenly and Heterogenous not mixed
Homogenous is cold and heterogenous is hot
Homogenous is balanced and heterogenous is not balances
10
Electrons in metals move around, it makes Alloys good heat and electricity conductors:
False
True
11
Which one is correct?
Solution dissolves in the solvent
Solvent dissolves in the solution
Solute dissolves in the solvent
Solvent dissolves in the solute
12
Formula:
Mass/volume X 100
Headphones/phone X 100
Volume of solute / volume of solution X 100
Substitute/solution X 100
13
Combination between metals
Mixture
Solutions
Alloys
Solvent
14
CuCO3, percent of Cu?:
47.3%
51.2%
9.7%
43.7%

Chemistry Review Midterm Flashcards | StudBud