1)wNaCl=5/50=0,1 или 10%
2)BaO+H20=BaOH+O
Co2+h20=h2co3
H20+02=h202
3)H2:O=2:1
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1)wNaCl=5/50=0,1 или 10%
2)BaO+H20=BaOH+O
Co2+h20=h2co3
H20+02=h202
3)H2:O=2:1