3.150 The compound 2,3-dimercaptopropanol(HSCH2CHSHCH2OH), commonly known as BritishAnti-Lewisite (BAL), was developed during World WarI as an antidote to arsenic-containing poison gas. (a) Ifeach BAL molecule binds one arsenic (As) atom, howmany As atoms can be removed by 1.0 g of BAL?(b) BAL can also be used to remove poisonous heavymetals like mercury (Hg) and lead (Pb). If each BALbinds one Hg atom, calculate the mass percent of Hg ina BAL-Hg complex. (An H atom is removed when aBAL molecule binds an Hg atom.)
States of Matter
The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).
Chemical Reactions and Equations
When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.
3.150 The compound 2,3-dimercaptopropanol
(HSCH2CHSHCH2OH), commonly known as British
Anti-Lewisite (BAL), was developed during World War
I as an antidote to arsenic-containing poison gas. (a) If
each BAL molecule binds one arsenic (As) atom, how
many As atoms can be removed by 1.0 g of BAL?
(b) BAL can also be used to remove poisonous heavy
metals like mercury (Hg) and lead (Pb). If each BAL
binds one Hg atom, calculate the mass percent of Hg in
a BAL-Hg complex. (An H atom is removed when a
BAL molecule binds an Hg atom.)
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