Answer:
Explanation:
From the 1 g sample you have:
0.546 grams of cobalt chloride
1-0.546=0.454 grams of water
Now:
1) The salt
Of the 0.546 g, 0.248 g are cobalt (Mr=58.9) and the rest id Cl (Mr=35.45):
Dividing:
So the molecular formula will be:
2) The water
The water's molecular weight is M=18 :
Bonding with the Co:
The complete formula of the hydrate:
The segment that represents melting is time (minutes) and temperature.
Answer:
They cause patterns to vary by latitude, altitude, and geographic land distribution.
Explanation:
Answer:
DNA replication takes place in the chromosome which is located in the nucleus of a cell.
Explanation:
In the cellular respiration,02 and C 02 exchange is there
so the answer is C 02 diffuses passively out of the cell