Hello everyone, today my teacher asked me to do a really hard homework and i really need ur help doing it..thanks in advance:D
Q: Atomic number of Mercury ( HG)= 82,it has 4 isotopes.
* the first isotope has 204=( atomic mass )and 1= (percentage abundance)
*the second isotope has 206 =(atomic mass )and 24 = (percentage abudance)
*the third isotope has 207= (atomic mass) and 23 = (percentage abudance)
*the fourth one has 208 =(atomic mass) and 52= ( percentage abudance)
the question is: calculate the RELATIVE ATOMIC MASS (Ar)
oh plz i really need help..plz do ur best and show ur work if possible..thank u
2006-10-30 02:59:52 · 4 answers · asked by cathrine fields 1 in Education & Reference ➔ Homework Help
okay well u might want to do it like this
Mass = (%)(mass of 1st isotope) + (%)(mass of 2nd isotope) + so forth
mass = (.01)(204) + (.24)(206) + (.23)(207) + (.52)(208)
mass = 207.25
Hope it helped!!
2006-10-30 03:04:52 · answer #1 · answered by D.P 3 · 1⤊ 0⤋
go to answers.com at search type formula for relative atomic mass number you get so many related links just choose the one that you feel will answer your question.
2006-10-30 04:33:49 · answer #2 · answered by Richard J 6 · 0⤊ 0⤋
Follow along with snuffles' help and you'll get the answer!
2006-10-30 03:09:06 · answer #3 · answered by borscht 6 · 0⤊ 0⤋
snuffles is right
2006-10-30 03:06:05 · answer #4 · answered by ♪ ♫ ☮ NYbron ☮ ♪ ♫ 6 · 0⤊ 0⤋