Molar ratio calculator chemistry
[DOCX File]Chemistry I EOC Review: Peterson - OKALOOSA SCHOOLS
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Concept of mole/molar ratio 1) How many moles of sodium atoms correspond to 1.56x1021 atoms of sodium? 2) How many moles of Al atoms are needed to combine with 1.58 mol of O atoms to make aluminum oxide, Al 2 O 3 ?
[DOC File]Stoichiometry Worksheet 1 (Mole-Mole Conversions)
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Stoichiometric ratio: the molar ratio of substances in a chemical reaction (coefficients in a balanced chemical equation) Limiting reactant the reactant in a chemical reaction is the substance that is totally consumed when the chemical reaction is complete. The amount of …
[DOC File]Stoichiometry - Chemistry
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The branch of chemistry that deals with quantities of substances in chemical reactions is known as stoichiometry. The Mole Ratio Is the Key. The coefficients in a balanced chemical equation show the relative numbers of moles of the substances in the reaction. As a result, you can use the coefficients in conversion factors called mole ratios.
[DOC File]Stoichiometry Review KEY - Quartzland
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BrF3 9. (p. 98) Terephthalic acid, used in the production of polyester fibers and films, is composed of carbon, hydrogen, and oxygen. When 0.6943 g of terephthalic acid was subjected to combustion analysis it produced 1.471 g CO2 and 0.226 g H2O. If its molar mass is between 158 and 167 g/mol, what is its molecular formula? a. C4H6O7 b.
[DOC File]Mole Ratio Worksheet - SD308
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, write the following molar ratios: H2 / H2S H2 / S H2S / S. 3) Write and balance the equation for the synthesis of water. Then answer the following questions. a) What is the H2 / H2O molar ratio? b) Suppose you had 20 moles of H2 on hand and plenty of O2, how many moles of H2O could you make? c) What is the O2 / H2O molar ratio?
[DOC File]Mole Calculation Worksheet
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1 mole = molar mass (could be atomic mass from periodic table or molecular mass) 1 mole = 22.4 L of a gas at STP (You do not need to worry about this yet) Each definition can be written as a set of two conversion factors. They are: 1 mole = molar mass(g) can be written as ____ 1 mole OR _molar mass (g)
[DOCX File]Chemistry exam review.docx - Currituck County Schools
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3.2.3 Infer the quantitative nature of a solution (molarity, dilution, and titration with a 1:1 molar ratio). 1. In a titration experiment, if 30.0 mL of an HCl solution reacts with 24.6 mL of a 0.50 M NaOH solution, what is the concentration of the HCl solution? a. 0.41 M. b. 0.61 M. c. 1.5 M. d. 370 M. 2.
[DOC File]Molar Ratio Practice Problems
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Jan 26, 2016 · Molar Ratio Practice Problems Solutions. Following each equation are two requests for molar ratios from the equation. 1) N2 + 3 H2 → 2 NH3. N2 to H2: NH3 to H2: 2) 2 SO2 + O2 → 2 SO3. O2 to SO3: O2 to SO2: 3) PCl3 + Cl2 → PCl5. PCl3 to Cl2: PCl3 to PCl5: 4) 4 NH3 + 3 O2 → 2 N2 + 6 H2O. NH3 to N2: H2O to O2: 5) Fe2O3 + 3 CO → 2 Fe + 3 CO2
[DOC File]Review Sheet – Chemistry – Ch
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Molar Volume – The volume occupied by one mole of a gas under standard conditions (22.4 L at STP) Mole - SI unit for amount of substance, defined as the number of atoms in exactly 12 g of carbon-12. Empirical Formula – Simplest whole number ratio of atoms in a compound. Molecular Formula – Actual whole number ratio of atoms in a compound.
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