Chemistry, 12.02.2022 14:00, sCoTtYbOy5329
Naturally occurring bromine consists of two isotopes, 79Br and 81Br, with masses of 78.9183 amu and 80.9163 amu, respectively. Given that the observed atomic mass of bromine is 79.904 amu, calculate the percentage of 79Br in naturally occurring bromine. Enter your answer to 2 decimal places.
Answers: 3
Chemistry, 21.06.2019 19:00, cutebab4786
Consider the point on the plot where 10.0 g of naoh have been added. what amount of naoh, in moles, has been added? 0.308 mol fecl3 initially present
Answers: 1
Chemistry, 22.06.2019 03:50, daniel9299
Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?
Answers: 3
Naturally occurring bromine consists of two isotopes, 79Br and 81Br, with masses of 78.9183 amu and...
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