Washing soda is a hydrated compound whose formula can be written na2co3 xh2o, where x is the number of moles of h2o per mole of na2co3. when a 2.123g sample of washing soda was heated at 130*c, all of the water of hydration was lost, leaving the 0.786g of anhydrous sodium carbonate. calculate the value of x
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Which position represents spring in the southern hemisphere? a) b) c) d)
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Use the measurements in the table to determine which unidentified metal has the highest density. metal volume mass a 10.5 cm3 122 g b 14.2 cm3 132 g c 16.1 cm3 115 g d 12.7 cm3 126 g
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Washing soda is a hydrated compound whose formula can be written na2co3 xh2o, where x is the number...
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