1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Valentin [98]
2 years ago
5

There are only two isotopes of gallium: ^69Ga (68.926 amu) and ^71Ga(70.025 amu). The average atomic mass of gallium is 69.723 a

mu. What is the percent of abundance of gallium-69? Please show all calculations involved.
Chemistry
1 answer:
SVEN [57.7K]2 years ago
3 0
The question ask for the percentage of the abundance of galium-69 where there is two isotopes of galium: the 69Ga and the 71Ga. The average atomic mass of gallium is 69.723 amu. So the formula would be <span>69.723amu=(%x)∗(68.926amu)+(1−%x)∗(70.025amu) and the answer to this is 1.58%</span>
You might be interested in
How is air temperature usually measured?
wel

thermometer

search it up

3 0
3 years ago
Read 2 more answers
What is the balanced equation of potassium chromate + silver nitrate → potassium nitrate + solid silver chromate
goldfiish [28.3K]

potassium chromate - k2cro4. ,,silver nitrate-agno3. ,, potassium nitrate-kno3 ,,Silver chromate- ag2cro4

5 0
3 years ago
I smell onions.
goldenfox [79]

Answer:

Observation

-I smell onions

-My dog weighs 45 pounds

-It is 85 degrees outside today

Predictions

-My dog will bark at the vacuum cleaner

although he has never seen it before

-My mother is going to cook spaghetti for

supper next Tuesday

-It will be a long, hot summer

Explanation:

5 0
3 years ago
Read 2 more answers
What did scientists discover about the ocean floor after sonar was invented?
adoni [48]
<span>led to the discovery of many new sea floor features of smaller scales. Deep sea trenches and sea volcanoes.
If that helped please mark brainliest! <3

-Procklownyt</span>
7 0
3 years ago
Which of the following is a physical change?
Anit [1.1K]
I’m pretty sure cooking an egg could be it
8 0
2 years ago
Other questions:
  • How many elements are there?
    13·2 answers
  • Object a has a mass of 12 grams and a density of 3 grams centimeters cubed object B has a mass of 12 grams and a density of 5 gr
    6·1 answer
  • How does the fission of uranium-235 produce a chain reaction?
    8·1 answer
  • A _____ is a fracture or break in Earth's surface.
    10·1 answer
  • The Uber fare in Seattle is $3.00 per mile. Evan took an Uber from Pike Place
    12·1 answer
  • When trying to identify an unknown element, a scientist determines what other elements the unknown element reacts with chemicall
    5·2 answers
  • A car travelling
    12·1 answer
  • How many joules are required to boil 150. grams of water?
    14·1 answer
  • Bài 1: Đốt cháy 28 lít khí mêtan CH4 trong không khí sinh ra khí cacbon đioxit và hơi nước.
    7·1 answer
  • The question is in the photo
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!