e y JJjCYNNU ESTESIALUXULSOS Ukuru VrwcHYIYAHRIAD lollwybav yoshim Mmga = Objective Knowledge Check Question 11 A...
A chemist prepares a solution of calcium sulfate (Caso.) by measuring out 0.221% of calcium sulfate into a 400 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's calcium sulfate solution. Round your answer to 3 significant digits. moll.
ALEKS-Kate Slettes - Knowledge Check = Objective Knowledge Check Question 4 - A chemist adds 300.0 ml of a 0.400M copper(II) sulfate (Cuso) solution to a reaction flask. Calculate the millimoles of copper(II) sulfate the chemist has added to the flask. Be sure your answer has the correct number of significant digits.
A chemist prepares a solution of sodium carbonate (Na,co) by measuring out 31. g of sodium carbonate into a 100 ml. volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium carbonate solution. Round your answer to 2 significant digits. moll. x 5 ?
A chemist prepares a solution of barium acetate by measuring out
35.9 g of barium acetate into a 50. mL volumetric flask and fill
the flask to the mark with water. Calculate the concentration in
mol/L of the chemist's barium acetate solution. Round your answer
to 2 significant digits.
A chemist prepares a solution of barium acetate BaC, Ba(C2H:02)2) by measuring out 35.9 g of barium acetate into a 50. mL volumetric flask and filling the flask to the mark...
A chemist prepares a solution of mercury(II) iodide (HgI,) by measuring out 2.2 mg of mercury(II) iodide into a 500. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's mercury(II) iodide solution. Be sure your answer has the correct number of significant digits. mol/L X 5 ?
= STOICHIOMETRY Calculating molarity using solute moles calculating A chemist prepares a solution of mercury(IT) iodide (Hgl) by measuring out 0.00253 umol of mercury(II) iodide into a 300 mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in moll of the chemist's mercury(II) iodide solution. Round your answer to 3 significant digits. 2
A chemist prepares a solution of zinc oxalate ZnC2O4 by measuring out 2.41mg of zinc oxalate into a 150.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /molL of the chemist's zinc oxalate solution. Round your answer to 3 significant digits.
A chemist prepares a solution of calcium bromide (CaBr) by measuring out 390. umol of calcium bromide into a 300. ml. volumetric flask and filling the flask to the mark with water. Calculate the concentration in moll of the chemist's calcium bromide solution. Round your answer to 3 significant digits.
Calculating molarity using solute moles Kirste A chemist prepares a solution of copper(II) fluoride (CuF) by measuring out 0.205 umol of copper(II) fluoride into a 300 ml volumetric flask and filling the ask to the mark with water. Calculate the concentration in mmol/L of the chemist's copper(11) fluoride solution. Be sure your answer has the correct number of significant digits. X 5 ?
A chemist prepares a solution of mercury(II) iodide (HgI2) by measuring out 5.9mg of mercury(II) iodide into a 350.mL volumetric flask and filling the flask to the mark with water.Calculate the concentration in mol/Lof the chemist's mercury(II) iodide solution. Be sure your answer has the correct number of significant digits.