Given Mass of solute (K(2)CO(3))=2.5g Volume of solution =1000ml Density of solution =0.85g ml^(-1) Asked Molality of solution (m)=? Formulae: m=(W(B))/(M(B))xx(1000)/(W(A)) Explanation: m= molality of solution, M(B)= Molecular weight solute
Calculate the molar solubility of magnesium carbonate (MgCO_3) in a solution that is 0.020 M Na_2CO_3. Solubility Product The solubility product is a constant of equilibrium in which an ionic substance dissolves to give its ions in solution. It depends upon t...
Calculate the molar mass of carbon dioxide. A sample of dolomitic limestone containing only CaCO_{3} and MgCO_{3} was analyzed. a) When a 0.2800 gram sample of this limestone was decomposed by heating, 75.0 mL of CO_{2} at 750 mm Hg and 20^{\circ}C were evolved. H...
2. Calculate the molar masses for the following substances: Potassium nitrate Magnesium sulfate Dinitrogen pentoxide 3. Calculate the mass in grams of .38 mol sodium sulfite 4. Calculate the number of moles in 35.4 grams lithium carbonate
Given: Na_2SO_4.nH_2O, the molar mass of sodium sulfate is 142.05 g/mol. Upon heating 8.5 g sample of Sodium Sulfate hydrate, it loses 4.776 grams after heating. Find the n for the hydrate? A hydrate of iron (II) ...
How many grams of NaC2H3O2 must be dissolved in enough water to prepare 250.0 mL of a solution with a pH = 9.200? The molar mass of NaC2H3O2 is 82.03 g/mol. Ka for C2H3O2H is 1.8 x 10^-5. Calculate the pH of a forming aci...
To solve the problem of calculating the molar mass of a compound from a 6% solution where the active mass (molarity) is given as 2, we can follow these steps:1. Understand the Given Information: - We have a 6% solution of a
Calculate the molar mass of ammonium chloride.Molar Mass:The molar mass of a substance is defined to be the mass in grams of one mole of a substance. It is used as a conversion factor to perform mass-to-mole conversions in stoichiometry. In stoichiometry, we often use the balanced ...
Molar Mass:The molar mass is a useful parameter of a substance especially during computations. This quantifies the mass that is contained per amount of substance in terms of moles. This is typically expressed in terms of grams per mole, or g/mol....
Given data: The mass of the sodium carbonate {eq}Na_2CO_3 {/eq} is: {eq}m=17.606 \ g {/eq} The molar mass of sodium is: {eq}\displaystyle...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer...