for a given substance what information links mass to moles? number of particles

  1. 👍
  2. 👎
  3. 👁
  1. moles = grams/molar mass
    There are 6.022 x 10^23 molecules (particles) in a mole.

    1. 👍
    2. 👎
  2. Use the equation below to answer the questions
    that follow.
    Br2 + Cl 2 → 2BrCl
    a. How many moles of BrCl form when
    2.74 mol Cl2 react with excess Br2?
    b. How many grams of BrCl form when
    239.7 g Cl2 react with excess Br2?
    c. How many grams of Br2 are needed to
    react with 4.53 × 1025 molecules Cl2?

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry (Regents level)

    1- In the reaction Fe2O3 + 3 CO = 2 Fe + 3 CO2, what is the total number of moles of CO used to produce 112 grams of iron? a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed

  2. science 3

    11. The freezing point of a substance is ____ the melting point of the same substance. (1 point)greater than less than equal to unrelated to 12. For most substances, the distance between particles is smallest when the substance

  3. Calculus help and please check answer for a)

    The decay of a certain substance is modeled by the function N(t)=100(3+e^(-t/3), where the number of particles is represented by N in a time of t hours. a) what is the initial number of particles? - I set t as 0 and got an answer

  4. Chemistry

    If 0.274 moles of a substance weighs 62.5g, what is the molar mass of the substance? 62.5/0.274 = 228.1 Am I on the right track?

  1. chemistry

    In any chemical reaction, the quantities that are preserved are what? A. the number of moles and the volumes B. the number of molecules and the volumes C. mass and number of atoms D. mass and moles

  2. chemistry

    Which of the following usually makes a substance dissolve faster in a solvent? A: lowering the temperature B: decreasing the number of particles C: agitating the solution D: increasing the particle size of the solute

  3. earth science

    When Uranium 238 decays, it emits 8 alpha particles and 6 beta particles before finally becoming the stable daughter product; What is the atomic number and mass number of the daughter product? Show your work.

  4. Chemistry

    Question: Consider following equilibrium system: SO2(g)+ Cl2(g) goes to So2Cl2(g) Kp=.900 atm @25 degree C. Suppose that 2.0 moles S02, 1.0 moles Cl2, and 3.0 moles So2Cl2 are placed in an empty 4.00L vessel at 25 degree C.

  1. Science

    1. Which statement about subatomic particles is NOT true? (1 point) Protons and neutrons have almost the same mass. Protons and electrons have opposite charges. Unlike protons and electrons, neutrons have no charge. Protons and

  2. chemistry

    if one can find the ratio of the number of moles of the elements in a compound to one another, one can find the formula of the compound. in certain compound of copper and oxygen, Cux Oy, we find that a sample weighing 0.5424g

  3. science

    A substance that has a mass of 20g and volume of 10cm3. How much mass does one cm3 of this substance have? A substance with a mass of 125g and a volume of 25cm3. How much mass does one cm3 of this substance have? Please tell me

  4. Chem

    Molar mass, sometimes referred to as molecular weight, is the mass of one mole of a substance, and is usually expressed in A Liters B Grams C Density D Moles D? The mole is derived from the quantity of atoms in 12 grams of

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