Answer: BaI
{2}
⋅
4
H
{2}
O
any number in {} is small
Explanation: The idea here is that you need to use the number of moles of anhydrous barium iodide, BaI
{2}
, and of water, H {2} O
, to find the mole ratio that exists between the anhydrous salt and its water of hydration in the hydrate.
Answer:
Some minerals in rocks and organic matter (e.g., wood, bones, and shells) can contain radioactive isotopes. The abundances of parent and daughter isotopes in a sample can be measured and used to determine their age. This method is known as radiometric dating.
Explanation:
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