Khối lượng riêng của dung dịch Fe(NO3)3 8% (w/w) là 1.062 g/ml. Hãy tính nồng độ mol của Fe(NO3)3 , của Fe3+ và NO3- trong dung dịch
Số gam Fe(NO3)3 có trong 1 lít dung dịch

Clyde and marilyn are riding a roller coaster. during which section(s) of the track is their potential energy converted to kinetic energy? a. from point b to point c only b. from point b to point d only c. from point a to point b only d. from point a to point b and from point c to point d

6. using 3 – 4 sentences explain (in your own words) why water expands when it freezes? 7. using your knowledge of colligative properties explain whether sodium chloride or calcium chloride would be a more effective substance to melt the ice on a slick sidewalk. use 3 – 4 sentences in your explanation.

What is the average rate of the reaction between 10 and 20 s?