концентрация раствора полученного при смешивании 50 г 8% и 30 г 1% растворов поваренной соли равна.
а) 5,4%
б)9%
в)7,6%
г)6,9%
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


Copyright © 2024 SCHOLAR.TIPS - All rights reserved.