You will see similar questions like: A mineral sample is obtained from a region of the country that has high arsenic contamination. An elemental analysis yields the following elemental composition: Element Atomic Weight (g/mol) Percent Composition Cu As S 63.546 74.9216 32.065 39.3% 30.9% 29.8% What is the empirical formula of this mineral? If you need help, the simulation has step-by-step hints for you. Use the check button ( Check) to submit your answer and the hint button ( Hint) to get help with the problem. Note that each time you load this page, you will get a new version of this problem. You will practice this problem until you can get the answer correct without using the step-by- step help.

You will see similar questions like: A mineral sample is obtained from a region of the country that has high arsenic contamination. An elemental analysis yields the following elemental composition: Element Atomic Weight (g/mol) Percent Composition Cu As S 63.546 74.9216 32.065 39.3% 30.9% 29.8% What is the empirical formula of this mineral? If you need help, the simulation has step-by-step hints for you. Use the check button ( Check) to submit your answer and the hint button ( Hint) to get help with the problem. Note that each time you load this page, you will get a new version of this problem. You will practice this problem until you can get the answer correct without using the step-by- step help.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter10: Quantity Relationships In Chemical Reactions

Section: Chapter Questions

Problem 49E: A mixture of tetraphosphorus trisulfide and powdered glass is in the white tip of strike-anywhere...

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Similar questions

Considering your answer to Exercise 79, which type of formula, empirical or molecular, can be obtained from elemental analysis that gives percent composition?
How many molecules of C2H4Cl2 can be prepared from 15C2H4 molecules and 8Cl2 molecules?
A mixture of tetraphosphorus trisulfide and powdered glass is in the white tip of strike-anywhere matches. The P4S3 is made by the direct combination of the elements: 8P4+3S88P4S3. If 133g of phosphorus is mixed with the full contents of a 126-g(4-oz) bottle of sulfur, how many grams of the compound can be formed? How much of which element will be left over. The tips of strike-anywhere matches contain tetraphosphorus trisulfide, which reacts with the oxygen in the air in an exothermic change to inititae the burning reaction.
Solid calcium carbide (CaC2)reacts with liquid water to produce acetylene gas (C2H2)and aqueous calcium hydroxide. l type='a'> Write the balanced equation for the reaction that is (occurring. including all phases. If a 100.0-g sample of calcium carbide (CaC2)is initially reacted with 50.0 g of water, which reactant is limiting? Prove that mass is conserved for the reactant amounts used in pan b.
The notation “(l)” after a substance’s formula indicates it exists in the __________ state.
Silver is often extracted from ores such as K[Ag(CN)2] and then recovered by the reaction 2K[Ag(CN)2](aq)+Zn(s)2Ag(s)+Zn(CN)2(aq)+2KCN(aq) (a) How many molecules of Zn(CN)2 are produced by the reaction of 35.27 g of K[Ag(CN)2]? (b) What mass of Zn(CN)2 is produced?
Determine a chemical formula from elemental analysis (i.e., from % composition).
Molybdenum (Z=42) is an element used in making steel alloys. It primarily comes from an ore called molybdenite, MoS2. What mass of pure molybdenite must be treated to obtain 201kgMo?
Elemental phosphorus can be prepared from calciumphosphate via the overall reaction 2Ca3( PO4)2+6SiO2+10C6CaSiO3+P4+10CO Calculate the minimum mass of Ca3( PO4)2 required toproduce 69.8gP4 . What mass of CaSiO3 is generated as aby-product?
Urea, CO( NH2)2, is manufactured on a large scale for use in producing urea-formaldehyde plastics and as a fertilizer. What is the maximum mass of urea that can be manufactured from the CO2 produced by combustion of 1.00103 kg of carbon followed by the reaction? CO2(g)+2NH3(g)CO( NH2)2(s)+H2O(l)
When elemental boron, B, is burned in oxygen gas, the product is diboron trioxide. If the diboron trioxide is then reacted with a measured quantity of water, it reacts with the water to form what is commonly known as boric acid, B(OH)3 . Write a balanced chemical equation for each of these processes.