How to calculate the moles

    • [PDF File]THE MOLE AND STOICHIOMETRY Tutorial 3 - EIU

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      This balanced equation tells us: one mole of iron(III) chloride reacts with three moles of sodium hydroxide to produce one mole of iron(III) hydroxide and three moles of sodium chloride. Several mole ratio fractions are possible: 3 mol NaOH 1 mol FeCl3 or 1 mol FeCl3 1 mol Fe(OH)3 or 3 mol NaCl 1 mol FeCl3 and others

    • Using mole calculations to solve problems - student sheet

      Using mole calculations to solve problems. Learning objectives. 1 Recall how to use simple mole calculations to calculate masses, moles, or relative. formula masses. 2 Practice rearranging equations. 3 Develop confidence in decoding complex word problems. Introduction.

    • [PDF File]Chapter 3. Stoichiometry: Mole-Mass Relationships in Chemical ...

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      calculate the moles of C and H present in the sample. -Find the mass of C, using the mass fraction of C in CO 2. Likewise, find the mass of H from the mass of H 2 O. -The mass of vitamin C minus the sum of the C and H masses gives the mass of O. -Construct the empirical formula and molecular formula. 23 What is the molecular formula of vitamin C?

    • [PDF File]Lecture’5,’The’Mole’ - Michigan State University

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      Calculate’the’mole’rao’by’dividing’by’the’smallestnumber’of’moles:’ C: ’ ’’=7.005’ ≈7 ’ ’ H: ’ ’’=6.984’ ≈7 ’ ’ N: ’ ’’=1.000’ ’ ’ O: ’ ’’=2.001’ ≈2 5.105mol’ 0.7288mol’ 5.09mol’ 0.7288mol’ 0.7288mol’ 0.7288mol’ 1.458mol’ 0.7288mol’

    • [PDF File]FORMULAE, EQUATIONS AND MOLES - Physics & Maths Tutor

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      This is done as follows: Step 1: From the mass of each element find the number of moles. Step 2: From the number of moles find the simplest ratio. Step 3: Convert the mole ratio to a whole number ratio; this gives the formula. Example hydrocarbon consists of 14.4g carbon and 1.2g hydrogen. Calculate its empirical formula. C H

    • [PDF File]Chapter 3 Stoichiometry - Michigan State University

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      The coefficients in the balanced equation give the ratio of moles of reactants and products. Stoichiometric Calculations. From the mass of Substance A you can use the ratio of the coefficients of A and B to calculate the mass of Substance B formed (if it’s a product) or used (if it’s a reactant) Stoichiometric.

    • [PDF File]lwtech-learning-lab-science-molar-mass

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      Moles and Molar Mass The mole is the "counting unit" used by chemists to indicate the number of atoms, ions, molecules, or formula units present in a particular chemical sample. The mole is similar to other counting units that you've used before....pair (2), dozen (12), and gross (144). One

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