Question How make metylamine solution out of hcl

[Methylamine]

Hi everyone I am a newbie in the chemistry world
I search all over the net for recipes for metylamine 40% aq solution in water
Out of methylamine hcl
So if someone can post here a recipe for make 1liter methylamine 40% aq solution
I will be very glad

 

[Methylamine]

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[Methylamine]

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[Bartholomeus]

400g MeAm HCL + 600g water = 40% aqueous methylamine solution