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Data and Calculations: Resolution of Matter into Pure Substances, II. Fractional Crystallization 65.24 -29,914 Mass of 150-ml beaker 8 Mass of 50-ml beaker 0.57 Mass of filter paper 8 A. Separation of Sic 86.69 Mass of sample plus 150-ml beaker 21.45 Mass of sample 4.28 Mass of SiC plus filter paper Mass of Sic g Percentage of SiC in sample, by mass B. Separation of KNO; 79.06 Mass of 150-ml beaker plus KNO, Mass of KNO, recovered Percentage (by mass) of sample recovered as KNO, C. Analysis of Purity of KNO3 30.42 Mass of 50-ml beaker plus KNO; Mass of KNO, used in analysis Percentage (by mass) of CuSO4.5H2O present in KNO; D. Recrystallization of KNO3 Mass of filter paper plus purified KNO; 12,41 Mass of purified KNO; obtained Percentage (by mass) of sample recovered as pure KNO, 30.4) Mass of 50-ml beaker plus purified KNO; 0.50 Mass of purified KNO; used in analysis Percentage (by mass) of CuSO4.5H2O in purified KNO;(Get Answer) - Data and Calculations: Resolution of Matter into Pure Substances,...| Transtutors (4)(Get Answer) - Data and Calculations: Resolution of Matter into Pure Substances,...| Transtutors (5)

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    FAQs

    What is pure substance answers? ›

    Pure substances are substances that are made up of only one kind of particle and have a fixed or constant structure. Pure substances are further classified as elements and compounds. An element is a substance that consists of only one type or kind of atom.

    Continue Reading ›
    How do you classify substances as a pure substance a heterogeneous mixture or a hom*ogeneous mixture? ›

    If it is pure, the substance is either an element or a compound. If a substance can be separated into its elements, it is a compound. If a substance is not chemically pure, it is either a heterogeneous mixture or a hom*ogeneous mixture. If its composition is uniform throughout, it is a hom*ogeneous mixture.

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    Which is a pure substance quizlet? ›

    An element is an example of a pure substance because it cannot be broken down into simpler substance. Examples of pure substances would be: H2O (water), neon (an element), and NaCl (table salt).

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    What are the five pure substances? ›

    Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate).

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    What is a pure substance 7th grade definition? ›

    Pure substances are defined as substances that are made of only one type of atom or only one type of molecule. All the constituent particles of a substance are the same in their chemical nature. For example, element and compound.

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    What are the two types of pure substances? ›

    There are two types in which pure substances are classified as – compounds and elements. Elements are substances formed from only one kind of atom. At the same time, compounds are pure substances formed by combining two or more elements in a fixed proportion.

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    Which is an example of pure substance? ›

    An example of a pure substance would be table salt (NaCl). It is a compound that is made up of one sodium atom and one chlorine atom. It also has a uniform structure.

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    Which of the following substances is a pure substance? ›

    Ice, Iron, Hydrochloric acid, Calcium oxide, and Mercury are pure substances because their chemical compositions are the same throughout. Was this answer helpful?

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    Is water a pure substance? ›

    Water, H2O, is a pure substance, a compound made of hydrogen and oxygen. Although water is the most abundant substance on earth, it is rarely found naturally in its pure form. Most of the time, pure water has to be created. Pure water is called distilled water or deionized water.

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    What is a pure substance found at home? ›

    Examples of Pure Substances from our house: -water, table salt, sugar and baking soda are examples of pure substances. Mixtures: -Mixture is impure, it consists of different kinds of elements combined physically and not chemically.

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    Is mixture a pure substance? ›

    Pure Substance: A single type of compound or element in uniform composition which results in unique chemical properties. Mixture: A combination of two or more pure substances in which the substances retain their original identity (do not chemically react).

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    Is vinegar a pure substance? ›

    Vinegar is an example of a hom*ogeneous mixture, and not a pure substance since water, its solute, is dissolved in the solvent, being acetic acid. hom*ogeneous mixtures are also known as solutions, which are mostly composed of liquids (including vinegar), but can include gases.

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    What is a pure substance and example? ›

    Pure Substance: The substances that are free from any kind of mixture and contain only one kind of particle are pure substances. Examples of pure substances include iron, aluminum, silver, and gold.

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    What is an impure substance? ›

    Impure substances are made up of two or more pure substances mixed together in any proportion. They may be hom*ogeneous or heterogeneous i.e. their composition is not uniform throughout the bulk. They are all mixtures. Examples: air, seawater, petroleum, and a solution of sugar in water are all impure substances.

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    Is a solution a pure substance? ›

    By definition, a solution is not a pure substance, but one substance dissolved in another. Normally, the one in higher concentration is called the solvent, and the one in lower concentration is called the solute. If you take a material like liquid water, in it's pure form it is not a solution.

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