Some latest school question and answer inquired students to mention what they ponder is the most important point for a student to do to be able to become success. A lot of responses, the one which that stood out was practice. Successful people are certainly not born successful; they become successful by just hard work and commitment. This is how you can get your goals. followed below some question and answer examples that you can certainly utilize to enrich your knowledge and gain insight that will assist you to keep up your school studies.
A pure sample of bromine was vaporized and injected into a mass spectrometer and the data was plotted on the graph below. The mass value for Br-79 is 78 918 amu Find the mass of Br-81.
In this case, since the percent abundance of Br-79 is 51.1% and that of the Br-81 is 48.9 %, we can write:
Taking into account that the mass of bromine from the periodic table is 79.909 amu, the mass of Br-81 turns out:
From the answer and question examples above, hopefully, they could simply assist the student solve the question they had been looking for and notice of everything that declared in the answer above. Then might possibly carry out some sharing in a group discussion and also learning with the classmate relevant to the topic, so another student also experience some enlightenment and still keeps up the school learning.