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  1. What is the linear mass density formula and how is it used to …

    Mar 12, 2025 · The linear mass density formula is mass per unit length, denoted by (lambda) and calculated as mass divided by length. It is used to find the mass of a one-dimensional object …

  2. How do you calculate mass of a liquid when volume is unknown?

    May 22, 2024 · To find the density of a liquid, you need to measure its mass and volume. The formula for density is density mass/volume. First, measure the mass of the liquid using a scale.

  3. Calculate the mass percent of each element in CaCO3?

    Aug 10, 2023 · To find the percentage mass of one of these elements, divide the molar mass of the element by the total molar mass of the compound (add them all up, using oxygen three …

  4. How do you find the moles of a compound when no mass is given?

    May 28, 2024 · How do you work out the number of moles of unknown compound if you are only given the molar mass? To find the number of moles from molar mass, divide the mass of the …

  5. How do you calculate the density of an ethanol-water mixture?

    Feb 7, 2025 · To calculate the percent of each component in a mixture using known densities of pure substances, you can apply the concept of mass and volume relationships.

  6. What is formula mass of CuCO3? - Answers

    Cu = 63.5C = 12O = 16 x 3 = 48Total = 123.5 g/mole

  7. How do you calculate pressure when given volume mass and

    May 29, 2024 · To calculate heat energy when you know volume and temperature, you would need to use the formula Q = mcΔT, where Q is the heat energy, m is the mass of the …

  8. How do you calculate the friction force when given the mass and ...

    Mar 12, 2025 · To calculate the friction force on an object, you can use the formula: Friction force mass x acceleration. This formula helps determine the force resisting the object's motion due …

  9. How to find the mass of an element in a chemical compound?

    Feb 7, 2025 · To find the mass of an element in a chemical compound, you first need to determine the molar mass of the compound by adding up the atomic masses of all the elements present.

  10. Calculate the formula mass for MgCl2? - Answers

    Jun 5, 2024 · The molar mass of MgCl2 is 95.21 g/mol. Then, divide the given mass by the molar mass to find the number of moles, and finally, use Avogadro's number (6.022 × 10^23) to …