One liter is equal to 1000 cubic centimeters. Thus, 0.00105 liters is equal to 1.05 cm³. Similarly, one liter is also equal to 1000 millileters. Conclusively, the conversion of 0.00105 liters to mL is also 1.05 mL. Therefore, the answer is 1.05 for both units.
D. is the same in each compound that an element forms
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Answer:
2.13 x 10³moles
Explanation:
Given parameters:
Number of molecules in AlF₃ = 1.28 x 10²⁷molecules
Unknown:
Number of moles = ?
Solution:
A mole is a quantitative unit in chemistry used of taking measurements.
A mole of a substance is the amount of that substance that contains the avogadro's number of particles.
The particles can be molecules, atoms, neutrons, protons, electrons or formula units.
Number of moles = ![\frac{number of molecules }{Avogadro's number}](https://tex.z-dn.net/?f=%5Cfrac%7Bnumber%20of%20molecules%20%7D%7BAvogadro%27s%20number%7D)
Number of moles =
= 2.13 x 10³moles