Chemistry, asked by charviii6478, 11 months ago

Which of the following has the least percentage of oxygen by mass?

Answers

Answered by Harpreet0059
1

Answer:

stoichiometry measures quantitative relationships and is used to determine the amount of products / reactants that are produced / needed in a given reaction.

(b) The number of atoms in a molecule of an element is called its atomicity. Atomicity of Hydrogen is 2, phosphorus is 4 and sulphur is 8.

(c) N2 means 1 molecule of nitrogen and 2N means two atoms of nitrogen. N2 can exist independently but 2N cannot exist independently.

Explanation:

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