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andriy [413]
3 years ago
8

What mineral mostly form through chemical precipitation?

Chemistry
1 answer:
zzz [600]3 years ago
5 0
The mineral that is found is Sedimentary Rocks
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Question 3 0 / 1 point How many grams of carbon atoms are present in a sample of C3H8 if there are 4.10 moles of hydrogen atoms
hodyreva [135]

Answer:

18.45 g of C

Explanation:

This is a problem of rules of three:

1 mol of C₃H₈ contains 3 moles of C and 8 moles of H

If 8 moles of H are contained in 1 mol of propane

4.10 moles of H are contained in (4.1 . 1) /8 = 0.5125 moles

Now, If 1 mol of propane contains 3 moles of C

0.5125 moles of propane may contain (0.5125 . 3) / 1 = 1.5375 moles of C

Let's convert the moles to mass:

1.5375 mol . 12 g /mol = 18.45 g

5 0
2 years ago
Can u give me them please
rewona [7]
Idk duno sowwy OK sorry
8 0
3 years ago
How is the moderm periodic table arranged?
ankoles [38]

Answer:

Explanation:

the elements are arranged according to their atomic number - not their relative atomic mass . In the periodic table the elements are arranged into: rows, called periods , in order of increasing atomic number. vertical columns, called groups , where the elements have similar properties

8 0
3 years ago
1. What type of battery was made by alternating layers of silver, zinc and blotting paper soaked in salt?
Sunny_sXe [5.5K]

Answer:

voltaic piles

Explanation:

:3

4 0
3 years ago
Read 2 more answers
What is the mass number of an isotope with an atomic number of 57 and that has 69 neutrons?
Karolina [17]

Answer:

mass number=126

Explanation:

57+69=126

7 0
2 years ago
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