Adding Concentrations: Solving Homework Problem

  • Thread starter carlodelmundo
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In summary, the purpose of solving homework problems on adding concentrations is to develop and practice the skills needed to accurately calculate and solve problems related to concentrations in scientific experiments and research. The process involves identifying known and unknown concentrations, converting between units if necessary, and using the appropriate formula. Common mistakes to avoid include using the wrong units and forgetting to convert between units. Tips for solving these problems more efficiently include organizing information, using a calculator, and checking work as you go. Understanding how to solve these problems can benefit a scientist by allowing them to accurately interpret concentrations and make informed decisions in their research.
  • #1
carlodelmundo
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Homework Statement




http://carlodm.com/images/1.png

Homework Equations



I tried using the formula: ( C1V1 + C2V2 ) / (V1 + V2)

The Attempt at a Solution



I keep on getting .0761 M. anything wrong with this? (YES I changed mL to L)
 
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  • #2
The expression for the resulting formula looks good. Be aware that one formula unit of Na2SO4 , sodium sulfate, has two formula units of Na for each unit of compound.
 
  • #3
THANK YOU!

That solved my problem!
 

FAQ: Adding Concentrations: Solving Homework Problem

What is the purpose of solving homework problems on adding concentrations?

The purpose of solving homework problems on adding concentrations is to develop and practice the skills needed to accurately calculate and solve problems related to concentrations in scientific experiments and research. This is an essential skill for any scientist, as concentrations play a crucial role in many experiments and analyses.

What is the process for solving homework problems on adding concentrations?

The process for solving homework problems on adding concentrations typically involves identifying the known and unknown concentrations, converting between different units of concentration if necessary, and using the appropriate mathematical formula to calculate the final concentration. It is important to carefully read and understand the problem and to use proper units and significant figures in the final answer.

What are the common mistakes to avoid when solving homework problems on adding concentrations?

Common mistakes to avoid when solving homework problems on adding concentrations include using the wrong units, forgetting to convert between units, not paying attention to significant figures, and making calculation errors. It is also important to double-check the final answer to ensure that it is reasonable and makes sense in the context of the problem.

What are some tips for solving homework problems on adding concentrations more efficiently?

Some tips for solving homework problems on adding concentrations more efficiently include organizing the given information and units, using a calculator or spreadsheet to perform calculations, and checking your work as you go along. It may also be helpful to break down the problem into smaller steps and to practice with simpler problems before tackling more complex ones.

How can understanding how to solve homework problems on adding concentrations benefit a scientist?

Understanding how to solve homework problems on adding concentrations can benefit a scientist by allowing them to accurately calculate and interpret concentrations in their experiments and research. This can help ensure the validity and reliability of their results and allow them to make informed decisions and draw meaningful conclusions from their data. Additionally, having a strong understanding of concentrations is essential for many areas of science, such as pharmacology, environmental science, and biochemistry.

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