46. Решение задачи по химии №30

7. During the analysis it was found that the concentration of the potassium bromide solution is 18% instead of 20%. Calculate the amount of potassium bromide required to strengthen the solution.

If you cannot open the file or have any problems, do not rush to leave a negative review! Contact me and I will quickly help you solve the problem. After purchasing, please leave a positive review of the product :)