October 2018 2 23 Report
Gas hidrogen mula-mula bertekanan 2 atm. jika 2/5 bagian massanya keluar, maka tekanan gas sekarang adalah..
a. 0,4 atm
b. 0,6 atm
c. 0,8 atm
d. 1,2 atm
e. 1,5 atm

dibantu yah

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