EBK CHEMISTRY
8th Edition
ISBN: 9780135216972
Author: Robinson
Publisher: PEARSON CO
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Chapter 3, Problem 3.13P
Conceptual PRACTICE 3.13 The following diagram represents the reaction of A (red spheres) with B, (blue spheres):
(a) Write a balanced equation for the reaction.
(b) Identify the limiting and excess reactant.
(c) How many molecules of product are made?
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Is each of the following statements true or false? Correctany that are false:(a) A mole of one substance has the same number of atoms as amole of any other substance.(b) The theoretical yield for a reaction is based on the balanced chemical equation.(c) A limiting-reactant problem is presented when the quantityof available material is given in moles for one of the reactants.(d) To prepare 1.00 L of 3.00 MNaCl, weigh 175.5 g of NaCl and dissolve it in 1.00 L of distilled water.(e) The concentration of a solution is an intensive property, but the amount of solute in a solution is an extensive property.
1.
(a) For the double displacement reaction and find the mole ratio between the product and reactant for the constituents that contain the element: magnesium.
(b) Assume that you have 2.8 moles of the reactant that contains your element, how many moles of the product are created? (HINT: use the ratio above to find the moles of product)
(c) What is the average molar mass of the reactant and product that contains your element (g/mol)?
Reactant:
Product:
(d) Assume you have 100 grams of the reactant, how many moles does that represent. (HINT: use average molar mass above to convert the grams to moles)
2.
(a) How many moles of the product are created? (HINT: use the mole ratio above to convert the moles of reactant to moles of the product)
Moles of product:
(b) Convert the moles of the product to grams. (HINT: use the average molar mass of the product to convert the moles to grams)
Grams of product:
3.
Assume that a certain amount of the second reactant produced 4 moles of product that…
Sodium metal reacts with molecular iodine to produce sodium iodide. If 10.0 moles of sodium reacts with 15.0 moles of iodine, (a) what is the limiting reagent, (b) the theoretical yield of sodium iodide in moles can be produced and (c) the amount in moles of the excess reagent remains after the completion of the reaction?
Chapter 3 Solutions
EBK CHEMISTRY
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