m NaCl = w NaCl*m раствора/100% = 2%*50г/100% = 50г*0,02 = 1г
m H2O = m раствора - m NaCl = 50г-1г = 49г
Ответ: 1г, 49г
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m NaCl = w NaCl*m раствора/100% = 2%*50г/100% = 50г*0,02 = 1г
m H2O = m раствора - m NaCl = 50г-1г = 49г
Ответ: 1г, 49г