Solutions

Hydrate mass adjuster: practice problems

Work out the result for hydrate mass adjuster. Every answer here is computed by the same tested calculator the rest of the site uses, so a solution can never drift away from the maths.

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Problem 1 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 150
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
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Weigh 234.662 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 0.94 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 234.662 mg

Open this in the calculator to change the numbers.

Problem 2 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 100
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 156.441 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 0.627 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 156.441 mg

Open this in the calculator to change the numbers.

Problem 3 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 400
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 625.764 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 2.506 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 625.764 mg

Open this in the calculator to change the numbers.

Problem 4 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 500
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 782.206 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 3.133 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 782.206 mg

Open this in the calculator to change the numbers.

Problem 5 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 300
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 469.323 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 1.88 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 469.323 mg

Open this in the calculator to change the numbers.

Problem 6 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 750
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 1173.308 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 4.699 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 1173.308 mg

Open this in the calculator to change the numbers.

Problem 7 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 200
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 312.882 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 1.253 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 312.882 mg

Open this in the calculator to change the numbers.

Problem 8 Hydrate mass adjuster

Work out the result for hydrate mass adjuster.

  • Protocol mass (mg): 250
  • MW the protocol assumes (g/mol): 159.6
  • MW of the form you have (g/mol): 249.68
Show the answer and the working

Weigh 391.103 mg of the form you have.

  1. Moles: m_protocol / MW_protocol = 1.566 mmol
  2. Adjusted mass: m_protocol · MW_have / MW_protocol = 391.103 mg

Open this in the calculator to change the numbers.

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