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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",5,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"hvnqPVmtTooP9s6DNEb2CRQH9flbJg","q","What mass of K₂CrO₄ is required to prepare 250cm³ of 0.020 mol dm³ solution?
\n[K₂CrO₄ = 194.2g mol^-1]","ans",[95],"2003","course","chemistry","exp","1 mole m^-3 K₂CrO₄ contains 194.2g mol^-1 in 1000cm³
\n1 mole m^-3 K₂CrO₄ contains 92.2g mol^-1 in 500cm³
\n1 mole m^-3 K₂CrO₄ contains 48.55g mol^-1 in 250cm³
\nIf n molm^-3 K₂CrO₄ contain 48.55
\n0.02 molm^-3 will contain (0.02/1) * (48.55/1) = 0.97g","opts",[421,422,423,424],"0.97g","9.70g","19.42g","97.10g",17,"17","initComment","initReply","actionData","errors"]

JAMB - Chemistry (2003 - No. 17)

Explanation

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