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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":427},"gDmEJFGNYxcmiLHtzt4yVO0ItiumDf","q","What mass of sodium carbonate solution is in 500 cm³ of 0.1 molar sodium carbonate solution?
\n
\n(Na = 23, C = 12, O = 16)","ans",[414],1,"1981","course","chemistry","exp","106 gm Na₂CO₃ in 1000 cc = 1m
\n53 gm Na₂CO₃ in 500 cc = 1m
\nFor 0.1 molar we have (53)/(10) = 5.3","opts",[422,423,424,425,426],"10.6 g","5.3 g","500 g","10 g","20 g",38,"38","initComment","initReply","actionData","errors"]

JAMB - Chemistry (1981 - No. 38)

Explanation

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