Questions tagged [elemental-analysis]
The science of determining the elements a compound is made of or deriving the sum formula thereof. Can be applied both to practical and theoretical questions
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Representing woody biomass concentration for kinetic reactions
Woody biomass is composed of cellulose, hemicellulose, and lignin components. The following diagram provides representative formulas for each component:
Biomass can be represented by it's density, ...
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How to find the molecular formula for a hydrocarbon compound from known combustion products?
What is the molecular formula of a compound containing only carbon and hydrogen if combustion of $1.05~\mathrm{g}$ of the compound produces $3.30~\mathrm{g}~\ce{CO2}$ and $1.35~\mathrm{g}~\ce{H2O}$ ...
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How to measure the amount of calcium in a supplement?
In chemistry lab, my group was assigned to determine the actual amount of calcium in a supplement. We did this successfully using HCl to dissolve the tablet, vacuum filtration, and then the addition ...
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Is barium sulfate soluble in dilute mineral acid?
I have read that $\ce{BaSO4}$ is soluble in $\ce{HCl}$ , but I am not sure whether this works for dilute acid as well.
The reaction is -
$\ce{BaSO4 + 2 HCl ->BaCl2 + H2SO4}$
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