I think is 1 and a half km
The answer is 40 grams. If gold is 20 grams per mL and you have 2 mLs, you get 40 grams of gold. Just add 20 + 20 or multiply 2 x 20 to get 40.
Ku[Fe(CN)6] is potassium ferrocyanide
[Co cl2(en)2] cl is cis-dichlorobis cobalt
hope it helps
Answer:
Ca: 1
Cl: 2
Explanation:
Since there is no subscript but there is the element, its assumed that there is at least 1, otherwise it would'nt be there
