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Ber [7]
3 years ago
9

The density of copper is 8.68 g/mL use the density value to determine how many moles are

Chemistry
1 answer:
statuscvo [17]3 years ago
5 0

Answer:

17.1 mol

Explanation:

(8.68g/mL * 125 mL) = 1085 g

1085 g/ (63.55 g/mol) = 17.1 mol

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Can anyone help with thiss??
IrinaVladis [17]
  1. l
  2. kg
  3. cm
  4. gm
  5. ml
  6. km,m
  7. m
  8. nm
  9. mg
  10. ms
  11. gm
  12. nm
  13. .
  14. .
  15. l,gm
  16. .
  17. kg
  18. m
  19. gm,m
  20. s

Hope this helps :-). And....

ml: milliliter

kg: kilogram

m: meter

mg: milligram

mm: millimeter

ms: millisecond

l: liter

km: kilometer

µg: micro gram

cm: centimeter

g: gram

nm: nano meter


5 0
3 years ago
The (OH) of a given solution =1.00x10-9M. what is this solution s pOH?
german

Answer:

9

Explanation:

Given parameters:

Concentration of OH⁻ [OH]= 1 x 10⁻⁹M

Solution:

To find the pOH of a solution can be found using the expression below:

                   pOH = -log₁₀[OH]

          [OH] = concentration of the hydroxyl ions

       pOH = -log₁₀(1 x 10⁻⁹) = - x -9 = 9

8 0
3 years ago
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Ms. Salis explains to her class that sodium (Na) and chlorine (Cl) atoms bond to make table salt
larisa [96]
The answer is D a compound :)
6 0
3 years ago
How many moles of potassium are contained in 449 g of<br> potassium?<br> pls help im so lost
e-lub [12.9K]

Answer:

449 (g K) / 39.1 (g/mol K) = 11.5 mol K

Explanation:

Potassium has atomic number 39.1

amount of K in 449g sample = 449/39.1 = 11.5 mol

4 0
3 years ago
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How can you raise the average kinetic energy of the water molecules in a glass of water?
Crazy boy [7]
Boil it. Kinetic energy is energy of motion and hot water moleculues move more
8 0
3 years ago
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