How many grams of iodine do you need to take to prepare 550 g of a 12% solution?

Given:
m solution (I2) = 550 g
ω (I2) = 12%

To find:
m (I2) -?

Decision:
1) Calculate the mass of iodine required to prepare the solution:
m (I2) = ω (I2) * m solution (I2) / 100% = 12% * 550/100% = 66 g.

Answer: The mass of iodine required to prepare the solution is 66 g.



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