Kaolinite, a clay mineral with the formula Al4Si4O10(OH)8 is used as a filler in slick paper for magazinesand as a raw material for ceramics, analysis shows that 14.35g of maintenance contains 7.009g of oxygen, calculate the mass percent of oxygen in kaolinite

water at room temperature is flowing through a pipe with pressure taps located 10 ft apart along one section of the pipe, which are connected to a mercury (s=13.6) manometer.

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c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.

answer seismograph;