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05.10.2021 •
Chemistry
Formular for solubility
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Ответ:
=konstanta produk kelarutan
=kation dalam larutan berair
=anion dalam larutan berair
=konsentrasi relatif a dan b
DARI WEB
Divide the mass of the compound by the mass of the solvent and then multiply by 100 g to calculate the solubility in g/100g . Solubility of NaNO3=21.9g or NaNO3 x 100 g/ 25 g =87.6. Calculate the molar mass of the dissolved compound as the sum of mass of all atoms in the molecule.
Ответ:
K_{sp} = [A^+]^a [B^-]^b
K_{sp}=solubility product constant
A^+=cation in an aquious solution
B^-=anion in an aqueous solution
a, b=relative concentrations of a and b
Explanation:
Ответ:
Nowadays cars have common availability of airbags installed in it for safety purposes. The main ingredients for producing hydrogen gas inside the bags are
,
and
.The temperature at collision increases and
is converted into sodium metal and Nitrogen gas which fills the bag.
One mole of any in three will contain three molecules of Nitrogen
N=3 x NA
Nitrogen is an inert gas a normal air bag require 70 liters of Nitrogen which means the approximate amount of
needed will be 130g.