A chemist prepares a solution of nickel(II) chloride (NiCl₂) by measuring out 2.1 × 10² μmol of nickel(II) chloride into a 350. mL. volumetric flask and filling the flask to the mark with water. Calculate the concentration in μmol/L of the chemist's nickel(II) chloride solution. Round your answer to 2 significant digits. 0 μmol L x10

A chemist prepares a solution of nickel(II) chloride (NiCl₂) by measuring out 2.1 × 10² μmol of nickel(II) chloride into a 350. mL. volumetric flask and filling the flask to the mark with water. Calculate the concentration in μmol/L of the chemist's nickel(II) chloride solution. Round your answer to 2 significant digits. 0 μmol L x10

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter1: Introduction To Chemistry

Section: Chapter Questions

Problem 1.87PAE: 1.87 A solution of ethanol in water has a volume of 54.2 mL and a mass of 49.6 g. what information...

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A 124-g sample of a pure liquid, liquid A, with a density of 3.00 g/mL is mixed with a 40.8-mL sample of a pure liquid, liquid B, with a density of 2.00 g/mL. What is the total volume of the mixture? (Assume there is no reaction upon the mixing of A and B, and volumes are additive.)
A chemist prepares a solution of sodium nitrate (NaNO,) by measuring out 83.1 g of sodium nitrate 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 nitrate solution. Round your answer to 3 significant digits. mol/L x10 ?
A chemist prepares a solution of sodium thiosulfate (Na₂S₂O3) by measuring out 54. g of sodium thiosulfate into a 250. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's sodium thiosulfate solution. Round your answer to 2 significant digits. mol/L x10 X S
A chemist prepares a solution of magnesium fluoride (MgF₂) by measuring out 0.00648 µmol of magnesium fluoride into a 500. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in µmol/L of the chemist's magnesium fluoride solution. Round your answer to 3 significant digits. μ mol L x10 X Ś
A chemist prepares a solution of potassium iodide (KI) by measuring out 2.4 x 102 μmol of potassium iodide into a 500. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in umol/L of the chemist's potassium iodide solution. Round your answer to 2 significant digits. u mol L 0 x10 X
A chemist prepares a solution of calcium sulfate (CaSO) by weighing out 0.293 g of calcium sulfate into a 400. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in g/L of the chemist's calcium sulfate solution. Be sure your answer has the correct number of significant digits. g x10 ?
A chemist prepares a solution of nickel(II) chloride (NiCl,) by weighing out 78.0 g of nickel(II) chloride into a 150. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in g/L of the chemist's nickel(II) chloride solution. Be sure your answer has the correct number of significant digits. g x10
A chemist prepares a solution of sodium chloride (NaCl) by measuring out 19. umol of sodium chloride 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 chloride solution. Round your answer to 2 significant digits.
A chemist prepares a solution of calcium bromide (CaBr₂) by measuring out 470. g of calcium bromide into a 350. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's calcium bromide solution. Round your answer to 3 significant digits. mol/L X 5
A chemist prepares a solution of mercury(1) chloride (Hg₂Cl₂) by measuring out 0.0000582 µmol of mercury (1) chloride 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 mercury(I) chloride solution. Be sure your answer has the correct number of significant digits. ? mol L x10 X Ś 00. 18 Ar
A chemist prepares a solution of copper (II) fluoride (CuF2) by measuring out 0.044 g of copper (II) into a 100. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in the mol/L of the chemist’s copper (II) fluoride solution. Round to 2 significant digits.
A chemist prepares a solution of potassium iodide (KI) by measuring out 1.0 x 10 umol of potassium iodide into a 150. mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mmol/L of the chemist's potassium iodide solution. Round your answer to 2 significant digits. mmol

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