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sarah121868
15.04.2020 •
Chemistry
What is the concentration of a solution which contains 0.446 g of C6H14N4O2 IN 1.250 L of solution? M
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Ответ:
0.0021 M
Explanation:
Given data:
Mass of C₆H₁₄N₄O₂ = 0.446 g
Volume of solution = 1.250 L
Concentration/Molarity of solution = ?
Solution:
Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.
Formula:
Molarity = number of moles of solute / L of solution
Now we will calculate the number of moles of solute.
Number of moles = mass/molar mass
Number of moles = 0.446 g/ 174 g/mol
Number of moles = 0.0026 mol
Molarity:
Molarity = 0.0026 mol / 1.250 L
Molarity = 0.0021 M
Ответ:
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Explanation: