W NaCl= m NaCl/m p-pa
m p-pa= mNaCl+m H2O
m NaCl=m p-pa*W=370 г*0,1= 37г
m H2O= m p-pa- m NaCl=370-37=333 г
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W NaCl= m NaCl/m p-pa
m p-pa= mNaCl+m H2O
m NaCl=m p-pa*W=370 г*0,1= 37г
m H2O= m p-pa- m NaCl=370-37=333 г