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astra-53 [7]
2 years ago
13

Question progr

Chemistry
1 answer:
timama [110]2 years ago
5 0
As the enthalpy of the products are less then the reactants the overall energy change will be endothermic meaning d - heat is absorbed
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What is the mass of NaCl required to make 160 grams of a 12% solution of NaCl in water?
Ksivusya [100]

Answer:

0.5

L solution

⋅

required molarity



2.5 moles NaCl

1

L solution

=

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Now, to convert this to grams of sodium chloride, you must use the mass of

1

mole of this compound as a conversion factor. The mass of

1

mole of sodium chloride is given by its molar mass

1.25

moles NaCl

⋅

58.44 g

1

mole NaCl

=

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−−−−

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3 years ago
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