CHEMISTRY HELP PLEASE! U.S. five cent coin or ’nickel’ is actually only 25% nickel metal with the other 75% made up of copper metal. If a typical ’nickel’ weighs 5.00g, how many actual atoms of nickel are present?
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Ответ:
Handpicking or sand strainers
Explanation:
it is easy to separate sea sand from the shell bits, rocks, and sea animals by handpicking. Filtering, evaporating, and settling can't be used because those methods are used to separate liquid items from solid items, so, magnetism can be a little good method.