... bng A 104 B C 101 0 D 104 463 Khi trn nhng th tớch bng ca dung dch HNO 0,01M v dung dch NaOH 0,03M thỡ thu c dung dch cú pH bng A B 12,3 C 13 D.12 464 Cho cỏc cht A (C4H10), B (C4H9Cl), C (C4H10O), ... C2H6O C CH4O v C3H8O D C2H6O2 v C4H10O2 310 in phõn dung dch hn hp HCl, NaCl vi in cc tr, mng ngn xp Hi quỏ trỡnh in phõn, pH ca dung dch thay i nh th no? A Khụng thay i B Tng lờn C Gim xung D Cú ... 2a + 2b = c + d D (a + b) = c + d 102 Cho cỏc ion v nguyờn t: Ne (Z =10) , Na+ (Z=11), F (Z=9) cú c im no sau õy l chung A s B s proton C s electron D s ntron 103 Dung dch dm n thng l A Dung dch...