(b) What is the mass of each substance in the original 250 g mixture?

Verified step by step guidance

1. Identify the substances in the mixture and their respective percentages or ratios.
2. Set up equations based on the given percentages or ratios and the total mass of the mixture.
3. Use algebraic methods to solve the equations for the mass of each substance.
4. Verify that the sum of the calculated masses equals the total mass of the mixture.
5. Ensure that the units are consistent and the solution is reasonable based on the context of the problem.

Key Concepts

Mixture Composition

A mixture is a combination of two or more substances that retain their individual properties. In a mixture, the total mass is the sum of the masses of its components. Understanding the composition of the mixture is essential to determine the mass of each substance within it, especially when given a total mass.

Mass Percent

Mass percent is a way to express the concentration of a component in a mixture, calculated as the mass of the component divided by the total mass of the mixture, multiplied by 100. This concept is crucial for determining the individual masses of substances when the total mass and the mass percent of each component are known.

Conservation of Mass

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction or physical process. This principle is fundamental in analyzing mixtures, as it ensures that the total mass of the components will equal the mass of the mixture, allowing for accurate calculations of individual component masses.