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Ch.3 - Chemical Reactions and Reaction Stoichiometry
Brown - Chemistry: The Central Science 14th Edition
Brown14th EditionChemistry: The Central ScienceISBN: 9780134414232당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Brown 14th EditionCh.3 - Chemical Reactions and Reaction Stoichiometry문제 43b
3장, 문제 43b

The allowable concentration level of vinyl chloride, C2H3Cl, in the atmosphere in a chemical plant is 2.0⨉10−6 g/L. How many molecules per liter?

검증된 단계별 안내
1
First, understand that the problem requires converting the concentration from grams per liter to molecules per liter. This involves using the molar mass of vinyl chloride and Avogadro's number.
Calculate the molar mass of vinyl chloride, C2H3Cl. Add the atomic masses of all the atoms in the molecule: 2 carbon atoms, 3 hydrogen atoms, and 1 chlorine atom.
Convert the given concentration from grams per liter to moles per liter by dividing the concentration (2.0⨉10−6 g/L) by the molar mass of vinyl chloride.
Use Avogadro's number (6.022⨉10^23 molecules/mol) to convert the concentration from moles per liter to molecules per liter. Multiply the moles per liter by Avogadro's number.
The result from the previous step will give you the number of molecules of vinyl chloride per liter in the atmosphere.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
영상 길이:
3m

주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Molar Mass Calculation

To convert grams of a substance to moles, one must first calculate its molar mass. For vinyl chloride (C2H3Cl), the molar mass is the sum of the atomic masses of its constituent elements: carbon (C), hydrogen (H), and chlorine (Cl). This is essential for determining how many moles correspond to a given mass, which is a crucial step in converting to molecules.
추천 영상:
가이드 코스
03:12
Molar Mass Calculation Example

Avogadro's Number

Avogadro's number, approximately 6.022 × 10²³, is the number of particles (atoms, molecules, etc.) in one mole of a substance. This constant allows chemists to convert between moles and the number of molecules, making it fundamental for calculations involving concentrations and amounts of substances in chemical reactions.
추천 영상:
가이드 코스
02:11
Avogadro's Law

Concentration Units

Concentration is a measure of how much solute is present in a given volume of solution, commonly expressed in units like grams per liter (g/L). Understanding how to manipulate these units is crucial for converting concentration values into different forms, such as molecules per liter, which is necessary for answering the question about vinyl chloride levels in the atmosphere.
추천 영상:
가이드 코스
02:13
SI Units
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