Cereal is a heterogeneous mixture because it is composed of many different types of ingredients.
The mass percent of oxygen in Nickel(
)sulfate is
percent.
At first, we look up the atomic masses for the element from the periodic table.
The atomic masses are found to be:
Next, we determine how many grams of each element are present in one mole of 
The mass of one mole
is:

So, The mass percent of oxygen 
percent.
To learn more about Mass percent, refer to:
Answer:
Here's what I get
Explanation:
CH₃CH₂CH₂CH₂CH₂CH₃ — hexane
CH₂=CHCH₂CH₂CH₂CH₃ — hex-1-ene is the preferred IUPAC name (PIN). 1-Hexene is accepted
CH₃C≡CCH₃ — but-2-yne (PIN); 2-butyne is accepted
CH₃CH(CH₃)CH₂CH₂CH₃ — 2-methylpentane
CH₃CH₂CHCICH₂CH₃ — 3-chloropentane
Answer:
As natural gas is a critical resource for the world and especially for the United states of america. The reason natural gas is used as a full commonly is because of high rising demands from many gas companys, people and gas stations.