rozp. KNO3 138g/100g H2O w 70°C
138g KNO3 ====> 100g H2O
x g KNO3 ====> 250 g H2O
x = 345 g KNO3
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rozp. KNO3 138g/100g H2O w 70°C
138g KNO3 ====> 100g H2O
x g KNO3 ====> 250 g H2O
x = 345 g KNO3