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Themassof the block ofosmiumis 3.298 g.Thedensityof osmium is 22.6 g/cm³. This means that 22.6 grams of osmium will have a volume of 1 cm³.The block of osmium has dimensions of 1.01 cm x 0.223 cm x 0.648 cm. So, thevolumeof the block is:volume = 1.01 cm x 0.223 cm x 0.648 cm= 0.136 cm³The mass of the block is equal to its densitymultipliedby its volume. So, the mass of the block is:mass = density x volume= 22.6 g/cm3 x 0.136 cm³= 3.298 gTherefore, the mass of theblockof osmium is 3.298 g.To learn more aboutdensity, herebrainly.com/question/29775886#SPJ3...