Stoichiometry. The quantitative relationship between the products and reactants in a chemical equation. Compare reactants to products, products to products,

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Presentation transcript:

Stoichiometry

The quantitative relationship between the products and reactants in a chemical equation. Compare reactants to products, products to products, or reactants to reactants using conversions. In other words

Mole Ratio (from balanced equation)

Example Write the balanced chemical reaction of a solution of potassium iodide and a solution of lead (II) nitrate. ___KI + ___Pb(NO 3 ) 2  ___PbI 2 + ___KNO 3 22

How many moles of PbI 2 will be produced from 4.6 moles of KI? _2_KI + ___Pb(NO 3 ) 2  ___PbI 2 + _2_KNO 3 Moles to Moles

How many grams of PbI 2 will be produced from 3.2 moles of Pb(NO 3 ) 2? _2_KI + ___Pb(NO 3 ) 2  ___PbI 2 + _2_KNO 3 What about grams?

Sodium reacts with chlorine gas to produce sodium chloride. A. Write a balanced equation. B. How many moles of chlorine gas are needed if 4.0 moles of sodium react? C. How many grams chlorine gas are needed to produce 2.0 moles of NaCl? You try

Sodium reacts with chlorine gas to produce sodium chloride. A.Write a balanced equation. 2Na (s) + Cl 2 (g)  2NaCl (s) You try

Lead (II) nitrate and sodium iodide react to form sodium nitrate and lead (II) iodide. A. Write a balanced equation. B. How many moles of sodium iodide react with grams of lead (II) nitrate? C. If grams of lead (II) iodide are produced, how many grams of sodium iodide were used? You try

Solid magnesium oxide reacts with water to produce magnesium hydroxide. A. Write a balanced equation for the reaction. B. How many grams of MgO are needed to produce grams of Mg(OH) 2 ? C. How many grams of magnesium hydroxide are produced when 57.0 grams of water are used? You try

Stoichiometry Homework: Yellow Packet – Stoich WS 1 Lab: Final copy due Beginning of your class on FRIDAY Due to turnitin.com by Friday at 7 pm