Answer:
the oxidation number is 4
10.9 because of mass= moles/mv it’s just basic chemistry
Example of solid - solid homogeneous mixture is copper metal - silver metal like coins and alloys.
Homogeneous mixture is a mixture in which one of the substances often changes in form as in a solution of sugar in water. It contains variable proportions. Solution can contain two substances, three substances or more, in a single physical state. The component of a solution that is present in greatest quantity is usually called the solvent and all other components are called solutes.
Answer:
I say for her to test her suspicion by going to see an allergist to diagnose the allergy.