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19 lines
611 B
R
19 lines
611 B
R
8 years ago
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#' Calculate required mass of substance to dissolve
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#'
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#' You want to prepare a solution of known molarity and volume of
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#' a particular substance.
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#' This function calculates the required mass to weigh up.
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#'
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#' @param formulamass of the substance (in grams per mole)
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#' @param volume of the final solution (in liters)
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#' @param molarity (in moles per liter)
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#'
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#' @return mass of substance (in grams)
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#' @export
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molarity2mass <- function(formulamass, volume, molarity) {
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mass <- formulamass * volume * molarity
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# Double-check units:
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# [g * mol-1] * [liter] * [mole * liter-1] = [g]
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return(mass)
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}
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