christting christting

03-12-2020
Chemistry

contestada

Calculate the atomic mass of copper if copper-63 is 69.17% abundant and copper-65 is 30% abundant

Respuesta :

pajamikopa pajamikopa

03-12-2020

Answer:List of isotopes

Nuclide Z Isotopic mass (Da)

Excitation energy

63Cu 29 62.9295975(6)

64Cu 29 63.9297642(6)

65Cu 29 64.9277895(7)

Explanation:

Answer Link

Otras preguntas

INSTRUCCIONES: Your friend has a surprise for you and wants you to meet him at an undiscl Using the community map on page 49, follow the given directions below

Toni bought these items for an art project. The sales tax is 8.5%. What is the total cost including tax, rounded to the nearest cent?

Help me please 50 points and brainliest.

What happens to macromolecules from food during digestion? What atoms make up sugar molecules, amino acids, and fatty acids? What do you notice about the atoms

What are two reasons for the creation of a petty cash fund?

Is there a relationship between the reactivity of a metal and its position in the periodic table? Ca, Al, Mg Write Evidence and Reasoning separately.

Find the domain of the inverse

Are there any movies/tv shows where an older person is made fun of for being “weak” or “incapable”?

A total of 840 people ate at lunch.Which statement is true

1400 J of heat energy is added to a sample of iron. The temperature of the sample rose from 16 C to 20 C. How many moles of iron were used?