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A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE. Place an F on the line if you think the statement is FALSE. _1. Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. _2. A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule. 3. The molecular formula for a compound can be the same as or a multiple of the compound's empirical formula.

A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE. Place an F on the line if you think the statement is FALSE. _1. Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. _2. A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule. 3. The molecular formula for a compound can be the same as or a multiple of the compound's empirical formula.

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter2: Atoms Molecules And Ions
Section: Chapter Questions
Problem 129GQ: Empirical and molecular formulas. (a) Fluorocarbonyl hypofluorite is composed of 14.6% C, 30.0% O,...
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Jumpstart Pre-Test Activity No.1: A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE. Place an F on the line if you think the statement is FALSE. 1. Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. 2. A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule. 3. The molecular formula for a compound can be the same as or a multiple of the compound's empirical formula. 4. The molecular formula for glucose is C6H1206. 5. Molecular formulas contain information about the arrangement of atoms. B: Read each item carefully. Encircle the letter of the correct answer. 1. Which formula shows the actual number of and kinds of atom in one molecule of a compound? A. Chemical formula C. empirical formula B. Covalent formula D. molecular formula 2. What is the first step in calculating the molecular formula of a compound? A. Calculate the molar mass B. Find the empirical formula C. Divide the given molar mass by the empirical molar mass D. Multiply the subscript of the symbols in the empirical formula 3. Which of the following shows molecular formula? A. NazSO4 B. C3H3 C. N204 D. Als(SO.)2 4. Which is the empirical formula of a substance with molecular formula C8H10N4O2? A. CAHSN20 B. CHN20 C. CAHSNO D. CH:N20 25
Transcribed Image Text:Jumpstart Pre-Test Activity No.1: A: Read each statement below carefully. Place a T on the line if you think a statement is TRUE. Place an F on the line if you think the statement is FALSE. 1. Molecular formulas describe the exact number and type of atoms in a single molecule of a compound. 2. A molecular formula consists of the chemical symbols for the constituent elements followed by numeric subscripts describing the number of atoms of each element present in the molecule. 3. The molecular formula for a compound can be the same as or a multiple of the compound's empirical formula. 4. The molecular formula for glucose is C6H1206. 5. Molecular formulas contain information about the arrangement of atoms. B: Read each item carefully. Encircle the letter of the correct answer. 1. Which formula shows the actual number of and kinds of atom in one molecule of a compound? A. Chemical formula C. empirical formula B. Covalent formula D. molecular formula 2. What is the first step in calculating the molecular formula of a compound? A. Calculate the molar mass B. Find the empirical formula C. Divide the given molar mass by the empirical molar mass D. Multiply the subscript of the symbols in the empirical formula 3. Which of the following shows molecular formula? A. NazSO4 B. C3H3 C. N204 D. Als(SO.)2 4. Which is the empirical formula of a substance with molecular formula C8H10N4O2? A. CAHSN20 B. CHN20 C. CAHSNO D. CH:N20 25
5. The empirical formula of a substance is CH20.It's molar mass is 180.What is the molecular formula? A. C6H1206 B. CSH11O5 C. CAH1004 D. C3H9O3 C: Differentiate Molecular Formula from Empirical Formula using the Venn Diagram. Empirical Molecular D: Classify the following chemical formula if it is express in motecular or empirical formula. Write your answer on the column provided for. Chemical Formula Classification of formula 1. CH 2. C2H2 3. CоНь 4. C2H4O2 5. COH1206 -Section Break(Next Page) 26
Transcribed Image Text:5. The empirical formula of a substance is CH20.It's molar mass is 180.What is the molecular formula? A. C6H1206 B. CSH11O5 C. CAH1004 D. C3H9O3 C: Differentiate Molecular Formula from Empirical Formula using the Venn Diagram. Empirical Molecular D: Classify the following chemical formula if it is express in motecular or empirical formula. Write your answer on the column provided for. Chemical Formula Classification of formula 1. CH 2. C2H2 3. CоНь 4. C2H4O2 5. COH1206 -Section Break(Next Page) 26
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