Skip to main content
Ch.2 - Atoms & Elements
Tro - Chemistry: A Molecular Approach 5th Edition
Tro5th EditionChemistry: A Molecular ApproachISBN: 9780134874371Non è quello che usi tu?Cambia libro di testo
Capitolo 2, Problema 36

Palladium forms three different compounds with sulfur. The mass of sulfur per gram of palladium in each compound is listed here. Show that these masses are consistent with the law of multiple proportions. Compound Grams S per Gram Pd A 0.603 B 0.301 C 0.151

Guida verificata passo dopo passo
1
Identify the mass ratios of sulfur to palladium for each compound. For compound A, it is 0.603 grams of sulfur per gram of palladium. For compound B, it is 0.301 grams of sulfur per gram of palladium. For compound C, it is 0.151 grams of sulfur per gram of palladium.
Compare the mass ratios between the compounds to see if they are simple multiples of each other. Calculate the ratio of the sulfur mass in compound A to compound B, and compound B to compound C.
Check if these ratios are whole numbers, which would indicate that the compounds adhere to the law of multiple proportions. The law states that when two elements form a series of compounds, the masses of one element that combine with a fixed mass of the other element are in ratios of small whole numbers.
Interpret the results. If the ratios calculated in step 2 are small whole numbers, this confirms that the compounds follow the law of multiple proportions.
Conclude whether the mass ratios of sulfur to palladium in these compounds are consistent with the law of multiple proportions based on the calculations and comparisons made in the previous steps.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.
Durata del video:
2m

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Law of Multiple Proportions

The Law of Multiple Proportions states that when two elements form more than one compound, the ratios of the masses of one element that combine with a fixed mass of the other element can be expressed as small whole numbers. This principle helps to demonstrate that different compounds formed by the same elements can have distinct mass ratios, reinforcing the idea of atomic combinations.
Video consigliato:
Percorso guidato
03:32
Law of Multiple Proportions

Mass Ratios

Mass ratios are the comparative weights of elements in a compound. In the context of the law of multiple proportions, these ratios are crucial for showing how different compounds of the same elements can vary in composition. By calculating the ratios of sulfur to palladium in the given compounds, one can determine if they align with the expectations of the law.
Video consigliato:
Percorso guidato
02:14
Neutron-Proton Ratio

Stoichiometry

Stoichiometry is the branch of chemistry that deals with the quantitative relationships between the substances involved in chemical reactions. It allows chemists to predict the amounts of reactants and products based on balanced chemical equations. Understanding stoichiometry is essential for analyzing the mass ratios in the compounds formed by palladium and sulfur.
Video consigliato:
Percorso guidato
01:16
Stoichiometry Concept
Pratica correlata
Domanda del libro di testo

Upon decomposition, one sample of magnesium fluoride produces 1.65 kg of magnesium and 2.57 kg of fluorine. A second sample produces 1.32 kg of magnesium. How much fluorine (in grams) does the second sample produce?

3159
views
1
rank
Domanda del libro di testo

Sulfur and fluorine form several different compounds including sulfur hexafluoride and sulfur tetrafluoride. Decomposition of a sample of sulfur hexafluoride produces 4.45 g of fluorine and 1.25 g of sulfur, while decomposition of a sample of sulfur tetrafluoride produces 4.43 g of fluorine and 1.87 g of sulfur. Calculate the mass of fluorine per gram of sulfur for each sample and show that these results are consistent with the law of multiple proportions.

2094
views
Domanda del libro di testo

The mass ratio of sodium to fluorine in sodium fluoride is 1.21:1. A sample of sodium fluoride produces 28.8 g of sodium upon decomposition. How much fluorine (in grams) forms?

2564
views
5
rank
Domanda del libro di testo

Sulfur and oxygen form both sulfur dioxide and sulfur trioxide. When samples of these are decomposed, the sulfur dioxide produces 3.49 g oxygen and 3.50 g sulfur, while the sulfur trioxide produces 6.75 g oxygen and 4.50 g sulfur. Calculate the mass of oxygen per gram of sulfur for each sample and show that these results are consistent with the law of multiple proportions.

2209
views
Domanda del libro di testo

Which statements are consistent with Dalton's atomic theory as it was originally stated? Why? a. Sulfur and oxygen atoms have the same mass. b. All cobalt atoms are identical. c. Potassium and chlorine atoms combine in a 1:1 ratio to form potassium chloride. d. Lead atoms can be converted into gold.

1212
views
Domanda del libro di testo

Two different compounds containing osmium and oxygen have the following masses of oxygen per gram of osmium: 0.168 and 0.3369 g. Show that these amounts are consistent with the law of multiple proportions.

1321
views
4
rank