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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",6,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"hzgzlp7cNlf7ORSrOOYgQVCmOEU39s","q","What volume of 0.20 mol dm ^-3 NaOH solution would yield 5.0 g of NaOH on evaporation to dryness? [NaOH = 40g mol^-1]","ans",[414],1,"2003","course","chemistry","exp","Conc. g/dm³ = 0.20 x 40 gmol ^-1 = 8 g/dm³
\n1000 cm³ of 0.20m NaOH contains 8g of NaOH :. 5g of NaOH will be contained in 5/8 x 1000 x 625cm³","opts",[422,423,424,425],"400 cm³","625 cm³","1000 cm³","1600 cm ³",32,"32","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2003 - No. 32)

Explanation

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