Answer: 1.
2.
3. .
4.
has highest nitrogen content.
Explanation:
To calculate the mass percent of element in a given compound, we use the formula:
1.
2.
3.
4.
Thus has highest nitrogen content of 82.4%.
Answer:
it is a because blood is pumped but heart so the answer is A
Uranus's atmosphere is mostly composed of hydrogen and helium
Answer:
178.1g
Explanation:
m= n × MM
where
m is mass
n is moles &
MM is molecular mass
The molecular mass of cobalt is 58.933195. With this information and the number of moles given in the question, we can perform the calculation
m= 3.022 × 58.933195
m=178.09611529
m= 178.1g