Activity: How many grams of BaCl2 · 2H20 should we weigh out to prepare 250 cm of a 0.5 M solution of BaCl2? Use values of atomic masses correct to one decimal place. Enter the final result correct to one decimal place. Cm = 0.5 M V = 250 cm3 %3D m = ? %3D First, calculate the number of moles of BaCl2. n = mol dm-3 dm3 %3D Next, calculate the molar mass, M, of BaCl2 · 2H20 and the mass, m of the sample to be weighed out

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Activity: How many grams of BaCl2 · 2H20 should we weigh out to prepare
250 cm of a 0.5 M solution of BaCl2? Use values of atomic masses correct
to one decimal place. Enter the final result correct to one decimal place.
Cm = 0.5 M
V = 250 cm3
m = ?
First, calculate the number of moles of BaCl2.
-3
n =
mol dm x
dm3
Next, calculate the molar mass, M, of BaCl2 · 2H2O and the mass, m
of the sample to be weighed out
Transcribed Image Text:DISTRICT Activity: How many grams of BaCl2 · 2H20 should we weigh out to prepare 250 cm of a 0.5 M solution of BaCl2? Use values of atomic masses correct to one decimal place. Enter the final result correct to one decimal place. Cm = 0.5 M V = 250 cm3 m = ? First, calculate the number of moles of BaCl2. -3 n = mol dm x dm3 Next, calculate the molar mass, M, of BaCl2 · 2H2O and the mass, m of the sample to be weighed out
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