m(р-ра)= m(вещ-ва) + m(воды) = 45+5=50г
w=m(в-ва) / m(р-ра) *100% = 5/50*100%=10%
Copyright © 2025 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
m(р-ра)= m(вещ-ва) + m(воды) = 45+5=50г
w=m(в-ва) / m(р-ра) *100% = 5/50*100%=10%