chemistry

PLS HELP ME AND THANK YOU:)
What is the molarity if 2.18 grams of CO(NO3)2.6H2O dissolved in 50.00ml of solution?

  1. 👍 0
  2. 👎 0
  3. 👁 161
  1. mols = grams/molar mass
    Then M = mols/L solution

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. General Chemistry

    A student dissolved 4.00 g of Co(NO3)2 in enough water to make 100. mL of stock solution. He took 4.00 mL of the stock solution and then diluted it with water to give 275. mL of a final solution. How many grams of NO3- ion are

  2. Stoichiometry

    For each precipitation reaction, calculate how many grams of the first reactant are necessary to completely react with 17.3 g of the second reactant. 2KI(aq) + Pb(NO3)2(aq)--->PbI2(s) + 2KNO3(aq) Not looking for the answer I

  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? a) 1.0 b)2.0 c)3.0 d)4.0 2- Given the reaction: 4Al + 3O2 = 2Al2O3 How many moles of Al2O3 will be formed

  4. Chemistry

    Which of the following is an oxidation-reduction (redox) reaction? A. 2K(s) + 2H2O(l) → 2KOH(aq) + H2(g) B. 2NaN3(g) → 2Na(g) + 3N2(g) C. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) D. Fe(s) + Ni(NO3)2(aq) → Fe(NO3)2(aq) + Ni(s)

  1. Chemistry

    Below are the formulas of some hydrates. what is the mole ratio of salt to water? Hydrate Na2SO4.10H2O Co(NO3)2.6H2O Mo(NO3)2.5H2O CaSO4.2H2O (CaSO4)2.H2) Thankk you

  2. Chemistry

    A student reacted 0.500g of Pb(NO3)2 with 0.750g of KI according to the reaction, Pb(NO3)2(aq) + 2KI(aq)=PbI2(s) + 2KNO3(aq) A) How many moles of Pb(NO3)2 were used? B) How many moles of KI were used? C) How many moles of PbI2

  3. chemistry

    Find the molar masses of the following compounds: 1. LiI 2. PbCO4 3. Mg(OH)2 4. (NH4)3PO4 Find the percent composition (percent by mass) of the given element in the following compounds: 1. Fluorine in AgF 2. Hydrogen in glucose

  4. chemistry

    What is the percent by mass of 3.55 g NaCl dissolved in 88 g H2O? 2. A solution is made by adding 1.23 moles of KCl to 1000.0 g of water. What is the % by mass of KCl in this solution? 3. If you have 100.0 mL of a 25% aqueous

  1. chemistry

    I need to find how many grams phosphorus (P) are in 0.8645 g sample of MgNH4PO4 x 6H2O How many grams P2O5 can be calculated with this many grams of P What is the percent P (as P2O5) in this

  2. Chemistry

    What is the molarity of nitrate ions in a solution containing 2.20 mg of Mg(NO3)2 dissolved in 7.35 L of water?

  3. AP Chemistry

    The identity of an unknown solid is to be determined. The compound is one of the seven salts in the following table. Al(NO3)3•9H2O BaCl2•2H2O CaCO3 CuSO4•5H2O NaCl BaSO4 Ni(NO3)2•6H2O Use the results of the following

  4. Gen Chem

    ignition of mgnh4po4*6h2o produces nh3, h2o and magnesium pyrophosphate, Mg2P2O7. complete and balance the equation for this reaction. If 5.00 g of MgNH4PO4*6H2O are ignited, how many grams of Mg2P2O7 would be formed?

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