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
Semmy [17]
3 years ago
6

Gallium has two naturally occurring isotopes with the following masses and natural abundances: Isotope Mass ( amu ) Abundance (%

) Ga−69 68.92558 60.108 Ga−71 70.92470 39.892. calculate the atomic mass of gallium
Chemistry
1 answer:
ICE Princess25 [194]3 years ago
4 0
The formula for determination of atomic mass given the mass of isotopes and relative abundance is:

Ar = ∑(mass * abundance) / 100
Ar = (68.92558 * 60.108 + 70.92470 * 39.892) / 100
Ar = 69.72306

The atomic mass of gallium is 69.72306 amu
You might be interested in
To make energy, a plant must get carbon, hydrogen, and oxygen atoms. What is the source of these atoms
damaskus [11]

Answer:

Carbon comes from the air and soil, hydrogen comes from absorbing water, H20, and breaking it down into Hydrogen and oxygen :) (also where oxygen comes from)

Explanation:

7 0
3 years ago
How do you write a chemical equation given a word equation ? (Chemistry)
earnstyle [38]
Step one: Identify reactants and products and place them in a word equation.

Step two: Convert the chemical names into chemical formulas. Place them based on the chemical equation and write the state symbols.

Step three: balance the chemical equation.
5 0
4 years ago
These are elements that
agasfer [191]

Answer:

metals are those element that have luster,malleable, ductile good conductors of heat and électricity, must have high melting and boiling points, and lose electrons in chemical reactions.

6 0
3 years ago
In general, ionic compounds have
Solnce55 [7]
HELLO have a nice day
7 0
3 years ago
How many molecules are in 71.3 moles of H2O
Svetradugi [14.3K]
H2O molar mass= 18.02
Use Avogadro’s constant to convert moles into particles.
71.3x6.02x10^23=429.229
There are 429.229 molecules in 71.3 moles of H2O
4 0
3 years ago
Other questions:
  • What is the product of a positron and electron combining then undergoing annihilation during the pet imaging process? a. two 511
    11·1 answer
  • onsider the isomerization of butane with an equilibrium constant of . The system is originally at equilibrium with [butane] = 1.
    14·1 answer
  • If 5000 balloons are each filled with 0.5L then how many does each balloon have
    12·1 answer
  • Please help me out! :))
    12·1 answer
  • The Law of Superposition allows us to determine:
    14·1 answer
  • Which statement is true regarding a catalyst?
    8·1 answer
  • An atom that has lost or gained electrons is known as an ion.
    13·1 answer
  • Which physical property of matter do these four objects have in common?
    5·1 answer
  • The Al2O3 crystal structure (corundum) consists of an HCP arrangement of O2- ions; the Al3 ions occupy octahedral positions. Wha
    14·1 answer
  • A student heats the same amount of two different liquids over Bunsen burners. Each liquid is at room temperature when the studen
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!