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Chapter 3: Q50E (page 83)

Give the empirical formula of each of these compounds.

Short Answer

Expert verified

The empirical formula of these compounds can be found.

Step by step solution

01

Finding empirical formula for compound a

The simplest whole number ratio of different atom type called empirical formula. Here, there are 2 N and 4 O atoms. The whole number ratio is 1:2. The empirical formula is NO2.

02

Finding empirical formula for compound b

The key can be used to find the formula. The smallest whole number ratio is empirical formula. The empirical formula is CH2.

03

Finding empirical formula for compound c

The simplest whole number ratio of different atom type called empirical formula. The key can be used to find the formula. The empirical formula is P2O5.

04

Finding empirical formula for compound d

The simplest whole number ratio of different atom type called empirical formula. The key can be used to find the formula. The empirical formula is CH2O.

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Most popular questions from this chapter

You know that chemical A reacts with chemical B. You react 10.0 g A with 10.0 g B. Whatinformation do you need to have to determine the amount of product that will be produced?Explain.

For the preceding question, which of the following equations best

represents the reaction?

a.6N2+6H2→4NH3+4N2

b.N2+H2→NH3

c.N+3H→NH3

d.N2+3H2→2NH3

e.2N2+6H2→4NH3

Justify your choice. For those you did not choose, explain why they are incorrect.

Question: The element silver (Ag) has two naturally occurring Isotopes 109Ag. and with a mass of 109.905u. Silver consists of 51.82% and has an average atomic mass of 107Ag107.868u. Calculate the mass of 109Ag.

Determine the molecular formulas to which the following empirical formulas and molar massespertain
a. SNH (188.35 g/mol)
b. NPCI2 (347.64 g/mol)
C. COC4O4 (341.94 g/mol)
d. SN (184.32 g/mol)

Question:According to the law of conservation of mass, mass cannot be gained or destroyed in a chemicalreaction. Why can't you simply add the masses of two reactants to determine the total mass of product?

See all solutions

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