Answer:
90.5g de NOCl en 2500 g de solución blanqueadora.
Explanation:
Una solución de concentración 3.62% en peso de hipoclorito en una solución blanqueadora contiene 3.62g de NOCl por cada 100g de solución. Con esta relación, podemos encontrar la masa de NOCl en 2500g de solución, así:
2500g de solución * (3.62g NOCl / 100g solución) =
<h3>90.5g de NOCl en 2500 g de solución blanqueadora.</h3>
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 =
Number of moles = = 2.13 x 10³moles
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The Celsius temperature scale is based on the boiling and freezing points of water.
The boiling point of water is 100 degrees Celsius.
The freezing point of water is 0 degrees Celsius.