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400cm3 of 2moldm-3 HCL were

  1. 400cm3 of 2moldm-3 HCL were added to 50g of impure oyster shell, Calculate the percentage mass of impurity present
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  2. a gas occupies 400cm3 at 250k and 1.5 × 10^-5 wm^-2 pressure. what is the volume of the gas at stp?
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    2. ola asked by ola
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  3. if an iron cube of volume 400cm3 is immersed in water,the upthrust will be?
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    2. aisha asked by aisha
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  4. Molarity of NaNo by diluting 250.0 of a 1.60 solution to a final volume of 400cm3
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    2. Anonymous asked by Anonymous
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  5. Describe how to prepare a 500cm3 solution of 0.2moldm-3 sodium trioxocarbonate(iv)Give the Apparatus,Method, Theory, Conclusion
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    2. Favour asked by Favour
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  6. What mass of copper(ii) sulphate(GFM=159.5) is required to make 400cm3 of 0.5mol/l solution
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    2. Callum asked by Callum
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  7. What volume of distilled water should be added to 400cm3 of 2.0mol/dm 3 H2SO4 to obtain 0.20mol/dm3 of solution
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    2. Joy asked by Joy
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  8. calculate the pH of a 0.2moldm-3 solution of ammonia at 298K given that Kb for ammonia is 1.8x10-5
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    2. Scott asked by Scott
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  9. Suppose4.0g of sodium hydroxide were dissolved in 400cm3 of distilled water then made up to 500cm3 of solution. Determine the
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    2. Dydra asked by Dydra
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  10. 400cm³ of nitrogen at 30°c is heated at constant pressure of temperature 50°c find the new volume of the nitrogen?
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    2. Chinaza asked by Chinaza
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