The answer is (3) HClO3. The percent composition mass of chlorine is equals to the mass of one Cl atom /gram-formula mass of the compound. So after calculation, we can get the right answer.
Answer:
Silver ion
Explanation:
In an electrolytic cell, the positive ions known as the cations migrate to the negative electrode, the cathode where they accept electrons to become discharged as neutral atoms. Also, the negative ions known as the anions migrate to the positive electrode, the anode, where they give up their electrons to become discharged as neutral atoms.
From the question above, the only positive ion among the options given is the silver ion, Ag+, therefore, it is the correct option.
The correct answer is industrial smog. This type of smog exists in coal power plants which creates smoke and sulfur dioxide which may mix with fog creating a thick blanket of haze. Sulfur dioxide is one primary component of an industrial smog.
Answer:
two oxygen atoms
Explanation:
One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.
Answer:
It declined drastically
Explanation:
The moths were active at night and rested by day on white birch trees, where they were effectively camouflaged from predators.
However, as the city became more industrialized, the trees were covered with black soot from the factories.
The white moths lost their camouflage, so their population declined drastically, as their predators could now find them more easily.
