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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",19,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"DwgvUpD2iNCHkYT8ee222d4TnG2QnU","q","What volume of CO₂ at s.t.p would be obtained by reacting trioxocarbonate (IV) with excess acid?
\n
\n(G.M.V at s.t.p = 22.4 dm³)","ans",[414],1,"1991","course","chemistry","exp","Na₂CO₃ + 2HCC → 2NaII + H₂O
\n1000 cm³ IM Na₂CO₃ contains 22400 cm³
\n10cm³ IM Na₂CO³ will contain (10) / (100) x 224
=224 cm³
\n10 cm³ 0.1 Na₂CO³ will contain (o.1 x 224) / (1) = 22.4 cm³","opts",[422,423,424,425],"2.240 cm ³","22.40 cm ³","224.0 cm ³","2240 cm ³",21,"21","initComment","initReply","actionData","errors"]

JAMB - Chemistry (1991 - No. 21)

Explanation

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