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q=800 kg /m3.=.................g/cm ³,q=0,92 g /cm 3=............kg /m3, q=1g /cm3 =............ kg /m3, q=2700kg /m3=.......... g/cm 3,q=7800kg/m3=.............g/cm, q=7,88g/cm3 =.......... kg/m3