31 grams of KNO3 are dissolved?
2020-05-11 3:33 pm
Dissolved in 4.15 g of H2o. WHats the concentration of the solution in units of gKNO3/100 g water
回答 (1)
2020-05-11 4:09 pm
✔ 最佳答案
31 g KNO₃ / 4.5 g water= (31 g KNO₃ / 4.5 g water) × (100 g water / 100 g water)
= [31/4.5) × 100 g KNO₃] / 100 g water
= 690 g KNO₃ / 100 g water (to 2 sig. fig.)
收錄日期: 2021-04-24 07:54:30
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