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Chapter 3: Q3.30P (page 132)

List three ways compositional data may be given in a problem that involves finding an empirical formula.

Short Answer

Expert verified

The Mass percentage , Mass of components or mass of compound and elements with one unknown.

Step by step solution

01

The first way of compositional data , finding an empirical formula.

Mass percentages is a compositional date of an empirical formula.

02

Step 2: The second way of compositional data , finding an empirical formula.

Mass components is a compositional date of an empirical formula.

03

The second way of compositional data , finding an empirical formula.

Mass compound is a compositional date of an empirical formula.

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Most popular questions from this chapter

Write balanced equations for each of the following by inserting the correct coefficients in the blanks:

$_Cu {({NO}_{3})}_{2} (aq) +_KOH (aq) \to_Cu {(OH)}_{2} (s) + {_KNO}_{3} (aq)$
${_BCl}_{3} (g) + {_H}_{2} O (l) \to {_H}_{3} {BO}_{3} (s) +_HCl (g)$
${_CaSiO}_{3} (s) +_HF (g) \to {_SiF}_{4} (g) + {_CaF}_{2} (s) + {_H}_{2} O (l)$
$_{(CN)}_{2} (g) +_H_{2} O (l) \to {_H}_{2} C_{2} O_{4} (aq) + {_NH}_{3} (g)$

When 20.5 g of methane and 45.0 g of chlorine gas undergo a reaction that has a 75.0% yield, what mass of chloromethane $({CH}_{3} Cl)$ forms? Hydrogen chloride also forms.

The human body excretes nitrogen in the form of urea, NH₂CONH₂. The key biochemical step in urea formation is the reaction of water with arginine to produce urea and ornithine:

(a) What is the mass percent of nitrogen in urea, arginine, and ornithine? (b) How many grams of nitrogen can be excreted as urea when 135.2 g of ornithine is produced?

For the reaction between solid tetraphosphorus trisulfide and oxygen gas to form solid tetraphosphorusdecaoxide and sulfur dioxide gas, write a balanced equation. Show the equation (see Table 3.5) in terms grams.

Each of the following balances weighs the indicated numbers of atoms of two elements:

Which element-left, right, or neither,
(a) Has the higher molar mass?
(b) Has more atoms per gram?
(c) Has fewer atoms per gram?
(d) Has more atoms per mole?

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