Post a New Question

chem

posted by .

How many moles of CoCO3 are there if sample has 2.84 times 10 to the 16th power carbonate particles

  • chem -

    There are 2.84E-16/6.02E23 mols CO3. There is 1 atom Co in 1 molecule of CoCO3; therefore, mols CO3 = mols CoCO3.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. chem

    "The percentage of sodium hydrogen carbonate, NaHCO3, in a powder for stomach upsets is found by titrating .275 M hydrochloric acid. if 15.5 mL of hydrochloric acid is required to react with .500 g of the sample, what is the percentage …
  2. chem

    3.0 mol sample of KClO3 was decomposed according to the equation 2KClO3 = 2KCl + 3 O2 How many moles of O2 are formed assuming 100% yield?
  3. Chemistry (Regents level)

    1- In the reaction Fe2O3 + 3 CO = 2 Fe + 3 CO2, what is the total number of moles of CO used to produce 112 grams of iron?
  4. Chemistry

    2.500g sample of a mixture of sodium carbonate and sodium chloride is dissolved in 25.00ml of 0.798M HCl. Some acid remains after the treatment of the sample. If 28.7 ml of 0.0108M NaOH were required to titrate the excess hydrochloric …
  5. chem

    a 22.5g sample of (NH4)2CO3 (ammonium carbonate) contains _____ moles of ammonium ions?
  6. in chem

    calculate the mass of this sample: 1.05 * 10 to the power of 26 atoms of neon, Ne(g) I know that I have to first divide by the avagadros constant, then once get the moles I need to multiply by the molar mass of neon to get the grams, …
  7. Chemistry

    Calculate the moles of aqueous calcium carbonate present in a 50.00mL sample of a calcium carbonate standard solution, assuming the standard is known to have a hardness of 125 ppm (hardness due to CaCO3). You can assume that the density …
  8. algebra

    Please help I have tried this question so many times: I cannot type out the exponents because my keyboard does not allow so I'll have to write it in verbal form I'm sorry. What is the simplified form of -9 m to the power of negative …
  9. Chemistry

    FB1 is a solution containing a mixture of potassium carbonate and sodium hydrogen carbonate . 25cm^3 of this mixture was to titrated against 0.250mol/dm^3 solution of HCL. In one titration using phenolphthalein as indicator, 10.00cm^3 …
  10. ChemistryStociometry

    6.0g of cobolt (II) carbonate was added to 40cm3 of hydrochloric acid, concentration 2.0 mol/dm3. Calculate the maximum yield of cobalt (II) choloride-6-water and show that cobalt (II) carbonate was in excess. CoCO3 +2HCl = CoCl2 +CO2 …

More Similar Questions

Post a New Question