2gm of mixture hydrated sodium

  1. 2gm of mixture hydrated sodium carbonate and sodium bicarbonate was dissolved in water and made up to 250cc. 25cc of this
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  2. 2gm of mixture hydrated sodium carbonate na2c03 /OH20 and sodium bicarbonate was dissolved in water and made up to 250cc. 25cc
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  3. When 1.675grams of hydrated sodium carbonate was reacted with excess hydrochloric acid the volume carbon iv oxide gas obtained
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  4. A chemist prepared a solution by dissolving 52.0 g of hydrated sodium carbonate in water to a total volume of 5.00 dm3. The
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  5. The molar mass of hydrated sodium carbonate is found to be 268g the formula of the hydrated sodium carbonate is Na2CO3.xH2OCalcu
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  6. A mixture of 5.00 g of sodium carbonate, Na2CO3 and sodium hydrogen carbonate, NaHCO3 is heated. The loss in mass is 0.31 g.
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  7. A student heats 5.128g of the sodium carbonate/sodium bicarbonate mixture to a constant mass of 4.256g. Determine the mass of
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  8. 1.34g of hydrated sodium tetraoxosulphate(vi) was heated to give an hydrous salt weighting 0.71g,the formular of the hydrated
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  9. A chemist working on a flu vaccine needs to mix a 10% sodium-iodine solution with a 60% sodium-iodine solution to obtain a
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  10. Sodium Na+ Intense yellowBarium Ba++ Green Calcium Ca++ Brick red Copper Cu+ or Cu++ Blue-green Strontium Sr++ ? Lithium Li+ ?
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    2. Maria asked by Maria
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