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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",18,"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},"hXR2W7Pdm9M6Bqam2sR9Xbh0mqKZic","q","The mass of 800cm³ of a gas X at s.t.p. is 1.0g. What is the molar mass of X? [1 mole of a gas at s.t.p occupies 22.4dm ³]","ans",[414],2,"2004","course","chemistry","exp","The mass of 0.8dm³ of a gas at s.t.p. is 1.0g :. 22.4dm> of gas at s.t.p. will have a molar mass of 22.4/0.8 = 28.0g mol^-1","opts",[422,423,424,425],"18.0g mol^-1","22.4g mol^-1","28.0gmol^-1","36.0gmol^-1",22,"22","initComment","initReply","actionData","errors"]

WAEC - Chemistry (2004 - No. 22)

Explanation

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