- 1). Divide the water volume by a factor of "nine" to calculate the mass of Epsom salt needed. In our example, the mass of Epsom salt is 350 ml / 9 = 38.89 g. Note that 1 ml of water weighs 1 g and that the result is rounded to the second decimal point.
- 2). Weigh out the calculated amount, 38.89 g, of the Epsom salt on the scale.
- 3). Pour 350 ml of the distilled water into the beaker and add the Epsom salt.
- 4). Mix the solution with the spoon or gently swirl the beaker until the salt is dissolved.
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