Answer:
1. definition of a problem
2.solution to the problem
3.the result
Explanation:
Hope this helps
Not quite sure what your question is asking. Chromium-52, the most common isotope. Among lesser common isotopes there could be Chromium-53, Chromium-56, etc. I would have to look specifically at what exists. The percent abundance in the universe multiplied by each of these mass numbers and added determines the atomic mass number a displayed on the periodic table.
Answer:
Explanation:
Calcium bicarbonate dissolved in hard water can easily be removed by heating the hard water . On heating , it decomposes to give calcium carbonate which is insoluble and therefore can be filtered out .
Ca( HCO₃)₂ = CaCO₃ + CO₂ + H₂O.
In this way hardness of water is removed .
