hchxxhBfncndnd4848 hchxxhBfncndnd4848
  • 19-12-2022
  • Chemistry
contestada

bromine has two naturally occurring isotopes (br-79 and br-81) and an atomic mass of 79.904 amu. the mass of br-81 is 80.9163 amu, and its natural abundance is 49.31%. calculate the mass and natural abundance of br-79.

Respuesta :

Otras preguntas

Define the term tissue as used in this passage.
If pqr = 1 , rst = 0 , and spr = 0, which of the following must be zero? A. P B. Q C. R D. S E. T
What is the total displacement of a bee that flies 2 meters east, 5 meters north, and 3 meters east?
If it costs 82.50 to rent a kayak for 3 hours, how much does it cost to rent a kayak for 1 hour
If an object travels at five feet per second, how many feet does it travel in one hour?
How many yards of a carpeting that is 26 inches wide will be needed to cover a floor that is 12ft by 13ft?
What happens to the volume of a cone when the height is doubled ?
If y ¤ x = y2x for all positive integers, then (3 ¤ 4) ¤ 2 =
Lucy was playing a card with two friends. They were playing with a deck of 21 cards. Lucy dealt 1/3 of the deck to each person. How many cards did lucy get?(for
If y ¤ x = y2x for all positive integers, then (3 ¤ 4) ¤ 2 =