ap chemistry

If a metal ore contains 21.9% pure metal, how
many pounds of pure metal can be obtained
from 68 pounds of metal ore?
Answer in units of pounds

  1. 👍
  2. 👎
  3. 👁
  1. 68 x 0.219 = ?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Physics

    A manufacturer selected a metal to use in producing a lightweight button for clothing. A metal that has a density of 2.71 g/cm3 was selected. Which of the metals was selected? A Metal 1 B Metal 2 C Metal 3 D Metal 4

  2. Calculus

    A cylindrical metal can is made to hold 500ml of soup. Determine the dimensions of the can that will minimize the amount of metal required(assume that the top and sides of the can are made from metal of the same thickness

  3. Chemistry, math, science

    A 125-g piece of metal is heated to 288 °C and dropped into 85.0 g of water at 12.0 °C. The metal and water come to the same temperature of 24.0 °C. What is the specific heat, in J/g °C, of the metal?

  4. chemistry

    Pure silver metal can be made using the reaction shown above; Cu + 2AgNO3 --> Ag + Cu(NO3)2. How many grams of copper metal will be needed to use up 100g of AgNO3? A. 18.70g B. 37.3g C. 74.7g D. 100g

  1. Chemistry

    Why are alloys used to make coins rather than the pure metal?

  2. Chemistry

    Hi! I'm having trouble solving this question, not sure how to go about starting it: Magnalium is a solid mixture of aluminum metal & magnesium metal. An irregular shaped chunk of a sample of magnalium is weighed twice, once in air

  3. chemistry

    Suppose that you wanted to be sure that a metal ion, any metal ion, would dissolve in water. What salt of the metal ion compound would you choose? 1. the hydroxide (OH−) salt of the metal ion 2. the carbonate (CO2− 3 ) salt of

  4. physics

    a pieces of metal of mass 3.6kg is suspended from a spring balance, what is the reading of spring balance in newton, with a metal in air, with the metal in water, the metal in prime and what is the density in which it gives a

  1. chemistry

    A 23.9 g piece of metal heated to 97.8 oC is placed in 52.4 g water at 21.9 oC. After the metal is added, the temperature of the water rises to 29.9 oC. Calculate the specific heat of the metal. Express your answer in the units of

  2. chemistry

    A 37.0 g mass of a metal was heated to 100°C and then plunged into 74 g of water at 24.0°C. The temperature of the resulting mixture became 28.0°C. (a) How many joules did the water absorb? (b) How many joules did the metal

  3. Science

    In which case would the kinetic energy of particles be increasing? Metal is at room temperature, 37°C. Metal is cooled at 1,300°C. Metal is heated from room temperature to 200°C. Metal is melted at 1,300°C.**

  4. Chemistry

    A piece of metal A and a piece of metal B of the same mass and at the same temperature of 80°C are dropped into seperate beakers each containing 100.0 g of water at room temperature. Once they equilibrate, you find that the

You can view more similar questions or ask a new question.