0.1/200= 0.0005 , u need to dissolve .0005 grams of sugar
Answer is: formula of the complex is [Cr(NH₃)₂(SCN)₄<span>]</span>⁻<span>.
This complex has negative charge (-1) because chromium (central atom or metal) has oxidation number +3, first ligand ammonia has neutral charge and second ligand thiocyanate has negative oxidation number -1:
+3 + 2</span>·0 + 4·(-1) = -1.
Answer:
Heated copper metal reacts with oxygen to form the black copper oxide. The copper oxide can then react with the hydrogen gas to form the copper metal and water.
Answer:
It may be C or D I'm not sure, but I think it is C you can go with whatever you think is best but I'm most likely sure that it is C. Sorry if this helpful or I got it wrong but it is. I hope this helped tho!
Explanation:
