Work out the volume of stock to take and the volume of diluent to add. 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.
Work out the volume of stock to take and the volume of diluent to add.
Measure 17.39 mL of 11.5 M HCl and dilute to 100 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (2 M · 100 mL) / (11.5 M) = 17.39 mLV₂ − V₁ = 82.61 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 25 mL of 4 M NaCl and dilute to 500 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (0.2 M · 500 mL) / (4 M) = 25 mLV₂ − V₁ = 475 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 10 mL of 10 M HCl and dilute to 100 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (1 M · 100 mL) / (10 M) = 10 mLV₂ − V₁ = 90 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 16.67 mL of 4.5 M NaCl and dilute to 500 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (0.15 M · 500 mL) / (4.5 M) = 16.67 mLV₂ − V₁ = 483.3 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 33.33 mL of 15 M HCl and dilute to 500 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (1 M · 500 mL) / (15 M) = 33.33 mLV₂ − V₁ = 466.7 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 11.11 mL of 4.5 M NaCl and dilute to 500 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (0.1 M · 500 mL) / (4.5 M) = 11.11 mLV₂ − V₁ = 488.9 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 32 mL of 12.5 M HCl and dilute to 400 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (1 M · 400 mL) / (12.5 M) = 32 mLV₂ − V₁ = 368 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 15 mL of 8 M NaCl and dilute to 400 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (0.3 M · 400 mL) / (8 M) = 15 mLV₂ − V₁ = 385 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 13.64 mL of 11 M HCl and dilute to 100 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (1.5 M · 100 mL) / (11 M) = 13.64 mLV₂ − V₁ = 86.36 mLOpen this in the calculator to change the numbers.
Work out the volume of stock to take and the volume of diluent to add.
Measure 3.75 mL of 4 M NaCl and dilute to 100 mL total volume.
V₁ = (C₂ · V₂) / C₁V₁ = (0.15 M · 100 mL) / (4 M) = 3.75 mLV₂ − V₁ = 96.25 mLOpen this in the calculator to change the numbers.
More dilutions practice
A fold-dilution series, tube by tube.
Turn a bottle label (%w/w + density) into a safe dilution protocol.
Open it in the calculator and it shows the same working step by step, with the units checked and the hazards flagged. Free, no account, and it keeps working offline once the page has loaded.
Open the Simple dilution calculator