A chemist prepares a solution of mercury(II) iodide (Hgl,) by measuring out 0.0051 umol of mercury(II) iodide 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(II) iodide solution. Be sure your answer has the correct number of significant digits. mol L

A chemist prepares a solution of mercury(II) iodide (Hgl,) by measuring out 0.0051 umol of mercury(II) iodide 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(II) iodide solution. Be sure your answer has the correct number of significant digits. mol L

Chemistry: The Molecular Science

5th Edition

ISBN:9781285199047

Author:John W. Moore, Conrad L. Stanitski

Publisher:John W. Moore, Conrad L. Stanitski

Chapter1: The Nature Of Chemistry

Section: Chapter Questions

Problem 127QRT

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Similar questions

A chemist must prepare 300.mL of 2.00M aqueous silver perchlorate AgClO4 working solution. He'll do this by pouring out some 5.62molL aqueous silver perchlorate stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the silver perchlorate stock solution that the chemist should pour out. Round your answer to 3 significant digits.
A chemist prepares a solution of silver(I) nitrate AgNO3 by measuring out 6.4102 x 10^2 μmol of silver(I) nitrate into a 450.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's silver(I) nitrate solution. Round your answer to 2 significant digits.
Gastric acid pH can range from 1 to 4, and most of the acid is HClHCl. For a sample of stomach acid that is 2.34×10−2 MM in HClHCl, how many moles of HClHCl are in 16.0 mLmL of the stomach acid? Express the amount to three significant figures and include the appropriate units.
A chemist must dilute 62.6mL of 2.81M aqueous sodium thiosulfate Na2S2O3 solution until the concentration falls to 2.00M. He'll do this by adding distilled water to the solution until it reaches a certain final volume. Calculate this final volume, in milliliters. Be sure your answer has the correct number of significant digits.
A chemist prepares a solution of magnesium fluoride MgF2 by measuring out 0.0042μmol of magnesium fluoride into a 450.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in /μmolL of the chemist's magnesium fluoride solution. Be sure your answer has the correct number of significant digits.
Calculate the mass (in grams) of oxalic acid (H2C2O4) needed to make 100.0 mL of a 0.250 M solution. Please report your answer with the correct number of significant digits.
Dust falls on Chicago at a rate of 65 mg m-2 day-1. Major metallic elements in the dust include aluminum, copper, lead, magnesium, manganese and zinc. Lead accumulates at a rate of 0.029 mg m-2 day-1. How many metric tons (1 metric ton = 1000 kg, an exact equality) of lead fall on the 535 km2 of Chicago in one year?
A chemist prepares a solution of barium acetate BaC2H3O22 by measuring out 38.5g of barium acetate into a 50.mL volumetric flask and filling the flask to the mark with water. Calculate the concentration in mol/L of the chemist's barium acetate solution. Be sure your answer has the correct number of significant digits.
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At a certain temperature, an aqueous solution is 38.0% H2SO4 by mass and has a density of 1.342 g/mL. What is the molarity of the solution?Provide your answer with 3 significant figures.
A chemist must prepare 725.mL of 793.μM aqueous magnesium fluoride (MgF2) working solution. He'll do this by pouring out some 0.00148M aqueous magnesium fluoride stock solution into a graduated cylinder and diluting it with distilled water. Calculate the volume in mL of the magnesium fluoride stock solution that the chemist should pour out. Round your answer to 3 significant digits.
One student measured 25 cm3 of a 1.06 g / dm3 sodium carbonate solution. Calculate the mass of sodium carbonate in mg present in the measured volume.

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