Approximately 119.4 g, you take the mass on the periodic table of each element and add the numbers up
After 3 years, the substance will go through 4 half lives. You can do 230*(1/2)^4, which is 14.375.
Answer:
The answer is 4.
Explanation:
Take trail mix as a mixture. It can easily be separated by hand. Take sugar in hot coca as a solution. You cannot separate sugar from the hot coca with your hands.
