sulphur atoms present in 512 grams of sulphur
Answers
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atomic mass of sulphur=16
no. of moles=given weight/atomic mass(molar mass)
no. of moles=512/16=32
atoms of sulphur =Avogadro's number*no. of moles
ANSWER:
ATOMS OF SULPHUR IN 512 GM =6.022*10^23*32
=1.92*10^25 ....
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This chapter discusses the discovery, abundance, distribution, and extraction of sulfur. Sulfur is widely distributed in nature but rarely is it sufficiently concentrated to justify economic mining. Sulfur is produced commercially from one or more sources in over 70 countries of the world. The chapter also discusses the Frasch process for mining elemental sulfur. In this method, sulfur is produced by forcing superheated water into submerged sulfur-bearing strata and then forcing the molten element to the surface by compressed air. Recovery of useful sulfur compounds from anhydrite and gypsum can be achieved by two main routes. The Muller–Kuhne process is used in the United Kingdom and Austria and involves the roasting of anhydrite with clay, sand, and coke in a rotary kiln at 1200–1400° C. The emergent SO2 is then fed into a contact process for H2SO4. Alternatively, ammonia and CO2 can be passed into gypsum slurry to give ammonium sulfate for use in fertilizers.
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