If the mass ratio of K to F in a compound is 2.06:1, how many grams of F are needed to react with 97.5 g of K?
回答 (1)
Let m g be the mass of F needed.
2.06 : 1 = (97.5 g) : (m g)
m = 97.5 × 1 / 2.06 g = 47.3
Mass of F needed = 47.3 g
收錄日期: 2021-04-18 15:47:06
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20161023212245AANAf7D
檢視 Wayback Machine 備份