To verify the presence of sodium or potassium ions it is
To verify the presence of sodium or potassium ions it is required to use the flame test. Explain why is not possible to precipitate these ions by reaction similar to those used to identify barium, silver, etc.?
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explain it has been suggested that gold might be recovered from seawater if seawater contains about 4 x 10-9gl of
maple syrup is habitually a solution of sucrose in water compute the molality of the syrup if a sample freezes at -50
a few kcl is dissolved in water 25 degrees celsius where it totally dissociates the vapor pressure of pure water at 25
750 g of pcl5 g is introduced into an evacuated 300 l vessel as well as allowed to reached equilibrium at 250 degrees
to verify the presence of sodium or potassium ions it is required to use the flame test explain why is not possible to
utilizing standard enthalpies of formation find out how much heat is released when 250g of ch4 is subjected for
explain how many grams of copper can be produced if 134 grams of aluminum is reacted with excess copper 1
if a 1200 ml sample of phosphoric acid h3po4 solution was titrated with a standard solution of 01350 m caoh2 to reach
explain a chemist isolated an aromatic compound of molecular formula c6h4br2 she carefully nitrated this compound as
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