subject
Chemistry, 16.10.2019 03:00 22swittman

There are four naturally occurring isotopes of the element chromium. the relative abundance of each is 50cr - 4.345% 49.946044 amu 52cr - 83.789% 51.940508 amu 53cr - 9.501% 52.940649 amu 54cr - 2.365% 53.93880 amu find the average atomic mass of chromium. a. 52.061 amu b. 52.978 amu c. 51.996 amu d. 53.2503 amu

ansver
Answers: 1

Other questions on the subject: Chemistry

image
Chemistry, 22.06.2019 19:00, nayashuntel
How many liters of ethylene glycol antifreeze (c2h6o2), with a density of 1.100 g/l, would you add to your car radiator containing 15.0 kg of water if you needed to protect your engine to - 21.5°c? for water, kf = 1.86°c m -1.
Answers: 1
image
Chemistry, 23.06.2019 08:00, kaylin28
How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate
Answers: 1
image
Chemistry, 23.06.2019 16:30, bry662
If 950 joules of heat are needed to increase the temperature of 45.6 grams of an unknown metal from 25.0 celsius to 90.0 celsius, what is the specific heat capacity of the metal in j/g celsius
Answers: 2
image
Chemistry, 23.06.2019 18:30, choyontareq
You form water vapor by mixing oxygen and hydrogen at 730°c in a 5.4-liter container. this is the equation for the reaction: o2(g) + 2h2(g) → 2h2o(g). the partial pressure of oxygen before the reaction is 122.3 kilopascals, and there is excess hydrogen. how many moles of water are formed?
Answers: 3
You know the right answer?
There are four naturally occurring isotopes of the element chromium. the relative abundance of each...

Questions in other subjects:

Konu
Medicine, 18.08.2019 01:10