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"with the initial concentration" vs "at the initial concentration"

Both phrases are correct, but they are used in different contexts. 'At the initial concentration' is used when referring to a specific point in time or a specific value of concentration. 'With the initial concentration' is used when describing a condition or situation that includes the initial concentration.

Last Updated: March 27, 2024

with the initial concentration

This phrase is correct and commonly used when describing a condition or situation that includes the initial concentration.

This phrase is used to describe a situation or condition that involves the initial concentration as a component.

Examples:

  • The solution with the initial concentration was prepared.
  • The system with the initial concentration showed interesting behavior.

Alternatives:

  • containing the initial concentration
  • having the initial concentration
  • including the initial concentration
  • featuring the initial concentration
  • comprising the initial concentration

at the initial concentration

This phrase is correct and commonly used when referring to a specific point in time or value of concentration.

This phrase is used to indicate a specific moment or value of concentration at the beginning of a process or experiment.

Examples:

  • The reaction rate at the initial concentration was measured.
  • The color change at the initial concentration was very subtle.

Alternatives:

  • at the beginning concentration
  • at the starting concentration
  • at the initial level of concentration
  • at the concentration at the start
  • at the concentration at the beginning

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