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 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 ...
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
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...
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) ...
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 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...
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...