Chemistry

Calculate the number of moles of cacl2 that can be obtained from 25g of lime stone(caco3) in the presence of excess hydrogen chlorine

  1. 👍
  2. 👎
  3. 👁
  1. find moles of limestone ... divide mass (25g) by molar mass of CaCO3

    since CaCl2 and CaCO3 both contain one mole of Ca per mole of compound
    ... you have your answer

    1. 👍
    2. 👎
  2. molar mass of CaCl2=111g. To get the number of moles of CaCl2, divide the reacting mass by the molar mass that is, 25g/111g

    1. 👍
    2. 👎
  3. How did you get 111g

    1. 👍
    2. 👎

Respond to this Question

First Name

Your Response

Similar Questions

  1. Chemistry

    A 0.450-gram sample of impure CaCO3(s) is dissolved in 50.0 mL of 0.150 M HCl(aq). The equation for the reaction is: CaCO3(s)+2HCl(aq) -> CaCl2(aq) + H2O(l) + CO2(g) The excess HCl(aq) is titrated by 9.75 mL of 0.125 M NaOH(aq).

  2. chemistry

    number of moles of Cl in 2.7 mol CaCl2

  3. chemistry

    2Na3PO4 + 3CaCl2 ----> Ca3 (PO4)2 + 6NaCl how many moles of CaCl2 remain if .10 mol Na3PO4 and .40 mol CaCl2 are used? When amounts of both materials are listed one must worry about which is the limiting reagentalthough the

  4. Chemistry

    Calculate the number of moles of calcium chloride Cacl2 that can be obtained from 25g of limestone CaCo3 in the presence of excess hydrogen chloride

  1. chemistry

    Can one calculate the number of moles of air? If so, calculate the number of moles in 1 kg of air (making sure your calculation, units and assumptions are fully explained); If not, explain why it is not possible to calculate the

  2. Chemistry

    How mush CaCl2, in grams, is needed to make 2.0 L of a 3.5M solution? g CaCl2 = (2.0L) *( 3.5 mol Cl-/1L) * (1mol CaCl2/ 2mol Cl-) *( 110.98 g CaCl2/ 1 mol CaCl2) = 5.549 g CaCl2 i don't think i did any of this right

  3. Chemistry

    Calculate the number of mole of cacl2 calcium chloride that can be obtained frm 30g of calcium trioxocarbonate iv in the presence of excess hydrochloride acid

  4. Science

    Calculate the number of moles of 25g of limestone (caco3) used in a chemical reaction? (Ca=40 c=12 o=16) 2 calculate the mass of calcium chloride that can be obtained from 25g of limestone in the presence of excess hydrogen

  1. chemistry

    Calcium carbonate CaCO3 reacts with stomach acid (HCl, hydrochloric acid) according to the following equation: CaCO3(s)+2HCl(aq)->CaCl2(aq)+H2O(l)+CO2(g) Tums, an antacid, contains CaCO3. If Tums is added to 35.0 mL of 0.300 M

  2. Chemistry

    In an experiment to find the percentage of calcium carbonate in sand from a beach, 1.86 g of sand reacted with an excess of dilute hydrochloric acid to give 0.55 g of carbon dioxide. CaCO3 (s) + 2HCL (aq) – CaCl2(aq) + CO2(g) +

  3. Science

    Which conversion factor should be used to solve the following problem? How many moles of water (H2O) would be produced from the reaction of 3.25 moles of hydrochloric acid (HCl) reacting with excess calcium hydroxide Ca(OH)2?

  4. Chemistry

    I would really aprreciate if someone could help me, thank you so much. The white limestone cliffs of Dover, England, contain a large percentage of calcium carbonate(CaCO3). A sample of limestone weighing 84.4g reacts with an

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