The mixture among the options provided is coffee, which is made of water molecules and caffeine molecules. The other options (salt, helium gas, and water) are all examples of pure substances, as they consist of a single type of compound or element.
Which of the following is a mixture? (1 point)ResponsesSalt, a substance made of sodium and chloride ions that are attracted to each other. Salt, a substance made of sodium and chloride ions that are attracted to each other. Helium gas, a substance made of helium atoms that are not attracted to each other. Helium gas, a substance made of helium atoms that are not attracted to each other. Water, a substance made of a type of molecule that has two hydrogens and one oxygen. Water, a substance made of a type of molecule that has two hydrogens and one oxygen. Coffee, a substance made of water molecules and caffeine molecules.
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