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gulleraliyeva1999
03.06.2021 •
Chemistry
Compared to the energy of an electron in the second shell of an atom of sulfur, the energy of an electron in the
1.
first shell is lower.
2.
first shell is the same.
3
third shell is lower.
4
third shell is the same.
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Ответ:
M=0.14
Explanation:The formula for concentration (molarity) is the moles of solute divided by the liters of solution. In order to find the moles of the solute, phosphorus acid, you need to convert 1.12 g to moles. The molar mass of phosphorus acid is 82 g/mol. 1.12g*1 mole/ 82 g = 0.014 moles. Then convert mL to L. 100.0 / 1000 is 0.1 . So the moles if 0.014 mol and the liters is 0.1 L. So, divide 0.014 by 0.1 and you get 0.14. So the concentration of the solution in molarity is 0.14