Physics, 28.09.2019 04:30 sakinahunt
What is the correct equation for calculating the average atomic mass for 3 isotopes? (pls be 100%of your answer pls no guessing)
add all the masses together and divide by 3
add all the protons together and divide by three
multiply the percent abundance by each mass, add them up, and then divide by 3 multiply the percent abudance by each mass and add them up
Answers: 1
Physics, 22.06.2019 00:40
Electroplating is a way to coat a complex metal object with a very thin (and hence inexpensive) layer of a precious metal, such as silver or gold. in essence the metal object is made the cathode of an electrolytic cell in which the precious metal cations are dissolved in aqueous solution. suppose a current of 480.ma is passed through an electroplating cell with an aqueous solution of agno3 in the cathode compartment for 46.0 seconds. calculate the mass of pure silver deposited on a metal object made into the cathode of the cell. round your answer to 3 significant digits. also, be sure your answer contains a unit symbol. ×10μ
Answers: 3
Physics, 22.06.2019 02:30
Which type of bond is found between the atoms of a molecule? a. metallic b. delocalized electron c. covalent d. ionic
Answers: 1
What is the correct equation for calculating the average atomic mass for 3 isotopes? (pls be 100%of...
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