oblicz 0.3%z 150
0.2% z 85
Ile soli zawiera 2,5 kg roztworu i stęzeniu 6%??
jak najszybciej dam naj...
0,3% z 150 = 0,003 * 150 = 0,45
0,2% z 85 = 0,002 * 85 = 0,17
6% z 2,5kg = 0,06 * 2,5 = 0,15kg
0.3%z 150 = 0,45
0.2% z 85 = 0,17
Cp = ms/mr *100% / *mr
Cp * mr = ms * 100% / : 100%
Cp * mr / 100% = ms
6 * 2500 / 100% = 150g soli
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0,3% z 150 = 0,003 * 150 = 0,45
0,2% z 85 = 0,002 * 85 = 0,17
6% z 2,5kg = 0,06 * 2,5 = 0,15kg
0.3%z 150 = 0,45
0.2% z 85 = 0,17
Cp = ms/mr *100% / *mr
Cp * mr = ms * 100% / : 100%
Cp * mr / 100% = ms
6 * 2500 / 100% = 150g soli