Răspunsuri

2014-04-03T17:52:08+03:00
Aplici formula C=n/vs->vs=n/C
 Mai stii ca n=m/M=19.6*98=1920.8 moli
revii la prima formula:vs=1920.8/0.25=7683.2 L

2014-04-03T17:52:22+03:00
CM=nr moli/volum=masa acid/masa molara acid * volum
volumul = masa acid/masa molara acid * cM
volumul = 19,6/98 * 0,25 =>volumul = 0,8 litri acid
masa molara = 2+32+4*16=98 g/mol