October 2018 1 19 Report
Es sebanyak 100 gram bersuhu 0 derajat C dipanaskan / diberi kalor sebanyak 7200 kalori. jika kalor lebur es 334 j/g dan 1 kalori = 4,2 joule, maka prosentase es yang telah melebur sebesar...
a. 90,5 % b. 90% c. 72% d. 33,4 % e. 100%

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