✨ Best Answer ✨ 星淚 over 2 yearsago 濃度=溶質/溶液 溶劑:100*90%=90 溶質:100*10%=10 變成兩倍:20 20/90+20 20/110 濃度不會變成兩倍 妍 over 2 yearsago 👌謝謝你! Post A Comment
👌謝謝你!