Calculate the mass of pure

  1. a sample of sulphuric acid is 95.7% by mass and has a density of 1.84g/cubic cm.calculate the mass of pure H2SO4 in a 2.00L
    1. answers icon 2 answers
    2. grace asked by grace
    3. views icon 1,284 views
  2. A compound Y containg C, H and O only was burnt in a strem of pure oxygen.The carbon(iv)oxide and water produced were collected
    1. answers icon 1 answer
    2. KC(king of casino) asked by KC(king of casino)
    3. views icon 700 views
  3. Hi Please help verify my answer to the following question:0.500g of pure phosphorous was burned in excess pure oxygen to give a
    1. answers icon 2 answers
    2. Helpme asked by Helpme
    3. views icon 1,723 views
  4. I need help with this lab.Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate:
    1. answers icon 1 answer
    2. Mary asked by Mary
    3. views icon 1,034 views
  5. I need help with this lab.Write the equation for the decomposition of the hydrate, CuSO4*XH2O. Mass of crucible and hydrate:
    1. answers icon 3 answers
    2. Nancy asked by Nancy
    3. views icon 1,071 views
  6. Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the
    1. answers icon 1 answer
    2. Brandon asked by Brandon
    3. views icon 1,310 views
  7. Calculate the mass (in grams) of water vapor produced when 56.0 grams of pure hydrogen gas burn in the air. Given the
    1. answers icon 1 answer
    2. Brandon asked by Brandon
    3. views icon 1,211 views
  8. A mass of 0.100 mg TIOH is mixed with 174 ml of pure water. Calculate the pH of this aqueous solution?
    1. answers icon 1 answer
    2. Kelly asked by Kelly
    3. views icon 534 views
  9. Calculate the mass of pure NaCl that will yield enough HCl gas to neutralize 25cm3 of 0•5 of KCO3 solution
    1. answers icon 1 answer
    2. Ozioma asked by Ozioma
    3. views icon 594 views
  10. The mass of the CuSO4 x 5H2O sample is 1.664 g. The mass of the recovered copper is 1.198 g.Calculate the percent copper in pure
    1. answers icon 4 answers
    2. Lou asked by Lou
    3. views icon 2,433 views