3. A sample of unknown metal chlorate, weighing 1.725 g, is heated until all of the oxygen is driven off. The residue remaining in the container (test tube) weighs 0.859 g. Calculate the percentage of oxygen in this metal chlorate.

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Many pharmaceutical drugs are organic compounds that were originally synthesized in the laboratory. which two scientific disciplines are bridged by pharmaceutical drugs? chemistry and forensics chemistry and medicine biology and forensics biology and criminology

What type of electromagnetic waves does the human eye see as the colors red blue or green a visible light waves b radio waves c infrared waves d microwaves