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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":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"fQc3x7dfdng6EVMWpp7QA7KDTLKtoc","q","What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0g?","ans",[95],"2006","course","chemistry","exp","

Given:

\n\n

m = 25g

\n\n

n = 0.4

\n\n

M = ?

\n\n

Using Number of moles, n = \\(\\frac{mass}{Molar mass}\\)

\n\n

M = \\(\\frac{m}{n}\\)

\n\n

M = \\(\\frac{25}{0.4}\\)

\n\n

M = 62.5g

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JAMB - Chemistry (2006 - No. 29)

Explanation

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