giải đáp thắc mắc
times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-font-width:95%;mso-no-proof:yes"="">Câu 1times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-font-width:95%;mso-no-proof:yes"="">: times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">Nhiệt phân times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">hoàn times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">toàn 20g times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">muối times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">cacbonat KL times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">hóa trị times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">2 times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">thu được times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">khí B times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">và times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">chất times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">rắn times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">A. Toàn times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">bộ times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">khí B times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">cho times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">vào times="" new="" roman","serif";color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">150ml times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">dd times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">Ba(OH)times="" new="" roman","serif";="" color:black;mso-no-proof:yes"="">2 1M times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">thu times="" new="" roman","serif";color:black;="" mso-no-proof:yes"="">được 19,7g times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">kết tủa
times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">a. Tính times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">khối times="" new="" roman","serif";color:black;mso-no-proof:yes"="">lượng times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">chất times="" new="" roman","serif";color:black;mso-no-proof:yes"="">rắn times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">A.
times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">b. Tìm times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">công times="" new="" roman","serif";color:black;="" mso-no-proof:yes"="">thức times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">của times="" new="" roman","serif";color:black;mso-no-proof:yes"="">muối.* e giải ra thì có 2 trường hợp: 2 số mol $CO_2$ nhưng tại sao kết quả cảu nó chỉ có một khối lượng A và một muối cacbonat. giải ra hộ luôn nhé
times="" new="" roman","serif";color:black;mso-no-proof:yes"="">
Cacbon Silic
giải đáp thắc mắc
Câu 1: Nhiệt phân hoàn toàn 20g muối cacbonat KL hóa trị 2 thu được khí B và chất rắn A. Toàn bộ khí B cho vào
style="margin-top:0in;margin-right:0in;margin-bottom:0in;
margin-left:8.15pt;margin-bottom:.0001pt;line-height:17.95pt;mso-line-height-rule:
exactly">150ml dd Ba(OH)2 1M thu được 19,7g kết tủa
a. Tính khối lượng chất rắn A.
b. Tìm công thức của muối.* e giải ra thì có 2 trường hợp: 2 số mol $CO_2$ nhưng tại sao kết quả cảu nó chỉ có một khối lượng A và một muối cacbonat. giải ra hộ luôn nhé
Cacbon Silic
giải đáp thắc mắc
times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-font-width:95%;mso-no-proof:yes"="">Câu 1times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-font-width:95%;mso-no-proof:yes"="">: times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">Nhiệt phân times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">hoàn times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">toàn 20g times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">muối times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">cacbonat KL times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">hóa trị times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">2 times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">thu được times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">khí B times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">và times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">chất times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">rắn times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">A. Toàn times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">bộ times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">khí B times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">cho times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">vào times="" new="" roman","serif";color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">150ml times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">dd times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">Ba(OH)times="" new="" roman","serif";="" color:black;mso-no-proof:yes"="">2 1M times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">thu times="" new="" roman","serif";color:black;="" mso-no-proof:yes"="">được 19,7g times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">kết tủa
times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">a. Tính times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">khối times="" new="" roman","serif";color:black;mso-no-proof:yes"="">lượng times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">chất times="" new="" roman","serif";color:black;mso-no-proof:yes"="">rắn times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">A.
times="" new="" roman","serif";color:black;letter-spacing:-.05pt;="" mso-no-proof:yes"="">b. Tìm times="" new="" roman","serif";="" color:black;letter-spacing:-.05pt;mso-no-proof:yes"="">công times="" new="" roman","serif";color:black;="" mso-no-proof:yes"="">thức times="" new="" roman","serif";color:black;="" letter-spacing:-.05pt;mso-no-proof:yes"="">của times="" new="" roman","serif";color:black;mso-no-proof:yes"="">muối.* e giải ra thì có 2 trường hợp: 2 số mol $CO_2$ nhưng tại sao kết quả cảu nó chỉ có một khối lượng A và một muối cacbonat. giải ra hộ luôn nhé
times="" new="" roman","serif";color:black;mso-no-proof:yes"="">
Cacbon Silic