When we need to compute the mass of an element of the given substance and we have the value of the mass of the substance, then we'll compute the molar mass of the substance and element. After that, we'll substitute the values in the formula shown below: {eq}\displaystyle \textrm{Mas...
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
See examples of how to use the molar mass formula. Related to this QuestionCalculate the mass, in grams, of 0.150 moles of sodium. Calculate the mass, in grams, of 0.70 moles of sodium. Calculate the mass in grams of 0.251 moles of sodium. Calculate the mass in grams present in 0.9...
1. Calculate the formula or molecular mass for the following substances: Potassium sulfate sulfur dioxide Calcium hydroxide 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 ...
10.0g of hydrated sodium sulphate decomposes to form 4.40g of anhydrous sodium sulfate on heating. Calculate formula mass of hydrated sodium sulphate and the value of x. It is often possible to change a hydrate into an anhydrous...
- Rearranging the molarity formula gives us: Number of moles=M×Volume - Substituting the values: Number of moles=2mol/L×0.1L=0.2moles 6. Relate Moles to Mass: - The number of moles is also given by the formula: Number of moles=Mass of soluteMolar mass - Here, the mass of the so...
Calculate the mass of (NH4)2SO4 if 16g H is used. Chemical Formula:The chemical formula of a substance essentially captures its composition by expressing it with the elemental symbols of atoms with the corresponding subscripts. The subscripts depict the total number of atoms of the appending ...
The term "mass" is one of the fundamental properties of substances. The mass of the substances can be calculated by taking the product of the molar mass of the substance and the number of moles of the substances. Answer and Explanation: Mass can ...
The mole to mass conversion is useful having identified a molar amount from a balanced equation and now needing to find the mass of reactant used. The molar amount has to be multiplied by the molar mass of the chemical species to obtain mass....
Calculate the mass of carbon dioxide produced from the decomposition of 61.0 grams of sodium bicarbonate. Calculate ?G for the reaction C_6H_12O_6 (s) + 6 O_2 (g) ? 6 CO_2 (g) + 6 H_2O (l) Decomposing calcium carbonate yields calcium oxide and carbon dioxide. Wh...