The mole fraction of potassium phosphate, K3PO4, in an aqueous solution is 7.33×10-2 . The percent by mass of potassium phosphate in the solution is __%.
The mole fraction of potassium phosphate, K3PO4, in an aqueous solution is 7.33×10-2 . The percent...
1)The mole fraction of chromium(II) sulfate, CrSO4, in an aqueous solution is 5.61×10-2 . The percent by mass of chromium(II) sulfate in the solution is %. 2) An aqueous solution is 40.0 % by mass hydrochloric acid, HCl, and has a density of 1.20 g/mL. The mole fraction of hydrochloric acid in the solution is . 3)An aqueous solution is 40.0 % by mass potassium bromide, KBr, and has a density of 1.37 g/mL. The mole fraction of potassium bromide in the...
An aqueous solution is 34.0% by mass ethanol, CH3CH2OH. The mole fraction of ethanol in the solution is ? The mole fraction of nickel(II) bromide, NiBr2, in an aqueous solution is 2.00×10-2. The percent by mass of nickel(II) bromide in the solution is? The molality of potassium bromide, KBr, in an aqueous solution is 2.44 mol/kg. What is the mole fraction of potassium bromide in the solution?
The mole fraction of silver nitrate, AgNO3, in an aqueous solution is 3.91×10-2 . The percent by mass of silver nitrate in the solution is ___ %.?
The mole fraction of sodium nitrate, NaNO3, in an aqueous solution is 3.14×10-2 . The percent by mass of sodium nitrate in the solution is ____ %.
An aqueous solution is 36.0% by mass potassium bromide, KBr. The mole fraction of potassium bromide in the solution is _________________
The mole fraction of copper(II) nitrate, Cu(NO3)2, in an aqueous solution is 4.35×10-2. The percent by mass of copper(II) nitrate in the solution is %.
The mole fraction of iron(III) nitrate, Fe(NO3)3, in an aqueous solution is 1.41×10-2. The percent by mass of iron(III) nitrate in the solution is -----%.
4a Calculate the molarity of an aqueous solution of sodium perchlorate with a solute mole fraction of 0.081 and a density, ρ = 1.078 g/mL. Report your answer to THREE significant figures. 4b Calculate the molarity of a 41.2% by mass aqueous solution of copper (I) sulfate with a density, ρ = 1.177 g/mL. Report your answer to THREE significant figures. 4c Calculate the mole fraction of the solute of a 4.211 m aqueous solution of cadmium (II) bromide with...
Calculate the mole fraction of the solute of a 1.026 M aqueous solution of sodium phosphate with a density, ρ = 1.046 g/mL. Report your answer to THREE significant figures.
Calculate the mole fraction of the solute of a 3.184 M aqueous solution of potassium hydroxide with a density, ρ = 1.021 g/mL. Report your answer to THREE significant figures.