How many hydrogen atoms are in each of the following: (a) C₂H₅OH? (b) Ca(C₂H₅COO)₂? (c) (NH₄)₃PO₄?

검증된 단계별 안내

Identify the chemical formula given: \( \text{Ca}_1\text{C}_2\text{H}_5\text{COO}_2 \).

Recognize that the formula represents a compound with calcium (Ca), carbon (C), hydrogen (H), and oxygen (O).

Break down the formula to understand the structure: \( \text{Ca} \) is a single calcium atom, \( \text{C}_2\text{H}_5\text{COO}_2 \) indicates two acetate groups.

Each acetate group \( \text{C}_2\text{H}_5\text{COO} \) contains 5 hydrogen atoms.

Since there are two acetate groups, multiply the number of hydrogen atoms in one group by 2 to find the total number of hydrogen atoms in the compound.

비슷한 문제에 대한 검증된 영상 답변:

이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.

영상 길이:

50s

주요 개념

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

Chemical Formula Interpretation

Understanding chemical formulas is essential for identifying the number of atoms of each element in a compound. In the formula Ca1C2H5COO2, the subscripts indicate the number of each type of atom present. For example, 'C2' means there are two carbon atoms, while 'H5' indicates five hydrogen atoms.

Counting Atoms in Polyatomic Ions

Polyatomic ions, such as COO2 (the acetate ion), can contain multiple atoms of different elements. Recognizing that COO2 consists of two oxygen atoms and one carbon atom is crucial for accurate atom counting. This understanding helps in determining the total number of hydrogen atoms in the entire compound.

Valency and Hydrogen Atoms

The concept of valency helps in understanding how many hydrogen atoms can bond with other elements in a compound. In organic compounds, hydrogen typically forms one bond. Therefore, knowing the structure and bonding of the compound allows for the correct identification of hydrogen atoms, which is vital for solving the question.

How many hydrogen atoms are in each of the following: (a) C2H5OH? (b) Ca(C2H5COO)2? (c) (NH4)3PO4?