... gam vo 100 ml dung dch hn hp gm Cu(NO 3)2 0,2M v AgNO3 0,2M Sau mt thi gian ly kim loi ra, sch lm khụ cõn c 101,72 gam (gi thit cỏc kim loi to thnh u bỏm ht vo st) Khi lng st ó phn ng l A 1,40... Cú th dựng NaOH lm mm nc cng vnh cu B Cú th dựng Na2CO3 lm mm nc cng tm thi C Cú th dựng Ca(OH)2 va lm mm nc cng tm thi D Cú th dựng Na3PO4 lm mm nc cng vnh cu Cõu 26: Cho bn hn hp, mi hn... dch HCl d...