How many moles of CaCO3 are present in 30.6g of it ?

  1. 👍
  2. 👎
  3. 👁
  1. mols = grams/molar mass.

    1. 👍
    2. 👎
  2. You have to determine the molar mass of CaCO3, by getting the molar mass of Ca and the molar mass of C, and the molar mass of O multiplied by 3 (since there are 3 oxygen atoms).

    You would get 100.087 g/mol.

    You would then do the mass/molar mass.

    30.6/100.87 = your answer

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions


    I have a pre lab questions that are due in a few hours and I need help. Theres several questions In the titration of 25.00 ml of a water sample, it took 20.590 ml of 4.995x10-3 M EDTA solution to reach the endpoint. The total

  2. chemistry

    How many moles of O are present in 14.8 moles of Fe(NO3)3? Can you show work so I can understaned how to do.

  3. Stoichiometry chem

    How many moles of carbon are found in 250.0 g of CaCO3? I started off with finding the molar mass of CaCO3, which is 100.09g. From there I divided 250g by 100.09g, but I have no idea what to do from there.

  4. Chemistry

    Determine the mass of CaCO3 in your TUMS tablet? The weight of the tablet was 0.013g Concentration of HCl was 0.1494 M Volume of HCl was 95 mL Concentration of NaOH was 0.1422 M The average amount it took to titrate was 2.13 mL I

  1. chemistry

    How many moles of sulfur are present in 2.9 moles of Al2(SO4)3

  2. science (chem)

    consider the fo9rmula for Al2(SO4)3,which is used in perspirants: a. how many moles of sulfur are present i 3.0 moles of Al2(SO4)3 b. ow many moles of aluminum ions are present in 0.40 mole of Al2(SO4)3 for a and b i multiplied by

  3. Chemistry

    Consider the following equilibrium: CaCO3(s)Ca 2+(aq) + CO3 2-(aq) Which of the following reagents, when added to the equilibrium system, would cause more CaCO3 to dissolve? a)KNO3(s), can't be this, NO3 is soluble with all

  4. chemistry

    A 5.309 g antacid tablet, with CaCO3 as the active ingredient, was mixed was 30.0 mL of 0.831 M HCl. After the reaction occurred, it took 15.3 mL of 0.7034 M NaOH to neutralize the excess acid. a) How much HCl (in mL) of was

  1. chemistry 101

    Consider the following reaction. CaO (s) + CO2 (g) = CaCO3 (s) A chemist allows 14.4 g of CaO and 13.8 g of CO2 to react. When the reaction is finished, the chemist collects 19.4 g of CaCO3. Determine the limiting reactant,

  2. Chem

    CaCO3 + 2H3O= Ca + 3H2O + CO2 How many moles of CaCO3 produced the moles of CO2 in the reaction?

  3. chemistry

    Equation- Mg + 2HCl -> MgCl2 + H2 What volume of hydrogen at STP is produced from the reaction of 50.0 g of Mg and the equivalent of 75g of HCl? To get the volume of hydrogen, you need to know how many MOLES of hydrogen are

  4. Chemistry 2 Ap

    From the mass of CaCo3, caluculate the moles of CaCo3 percipitation. Given- Mass of CaCo3 is 1.838 The answer i got at the end if 18.45 If it"s wrong will you please explain to me what to do.

You can view more similar questions or ask a new question.