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DJANA
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Calculeaza masa de acid sulfuric ce contine :: a) 16 gr sulf.......b)16 gr oxigen...c) 1kg hidrogen... Urgent..dau COROANA !!

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carlapetcu

MH2SO4=2+32+64=98 98gH2SO4...............32gS......2gH..............64gO x(1,2,3)g.................16gS.......1000g H........16g O x1=16*98/32=......gH2SO4 x2=1000*98/2=.......g H2SO4 x3=16*98/64=........gH2SO4

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