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STEP 1. Calculate the %O in Cr2(CO3)3 to 4 significant figures. %O =  STEP 2. How many moles of Cr2(CO3)3 are in 100.0 g ? note: don't use scientific notation, use 4 significant figures (100.0 g) = ____ mol Cr2(CO3)3 STEP 3. How many formula units in 100.0 g of Cr2(CO3)3 ? note:  1 mol = 6.022 x 1023 things, use 4 significant figures note:  use scientific notation as follows, 6.022 x 1023 = 6.022E23 (100.0 g) = ______ FU of Cr2(CO3)3

STEP 1. Calculate the %O in Cr2(CO3)3 to 4 significant figures. %O =  STEP 2. How many moles of Cr2(CO3)3 are in 100.0 g ? note: don't use scientific notation, use 4 significant figures (100.0 g) = ____ mol Cr2(CO3)3 STEP 3. How many formula units in 100.0 g of Cr2(CO3)3 ? note:  1 mol = 6.022 x 1023 things, use 4 significant figures note:  use scientific notation as follows, 6.022 x 1023 = 6.022E23 (100.0 g) = ______ FU of Cr2(CO3)3

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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STEP 1. Calculate the %O in Cr2(CO3)3 to 4 significant figures.

%O = 

STEP 2. How many moles of Cr2(CO3)3 are in 100.0 g ?

note: don't use scientific notation, use 4 significant figures

(100.0 g) = ____ mol Cr2(CO3)3

STEP 3. How many formula units in 100.0 g of Cr2(CO3)3 ?

note:  1 mol = 6.022 x 1023 things, use 4 significant figures

note:  use scientific notation as follows, 6.022 x 1023 = 6.022E23

(100.0 g) = ______ FU of Cr2(CO3)3

STEP 4. How many grams of O in 100.0 g of Cr2(CO3)3 ?

note: don't use scientific notation, use 4 significant figures

(100.0 g) = ____mol O

(100.0 g) = ____g of O

STEP 5. How many oxygen atoms in 100.0 g of Cr2(CO3)3 ?

note:  1 mol = 6.022 x 1023 things

note: don't use scientific notation for the first answer, use 4 significant figures for both answers

(100.0 g) = ____mol O

note:  use scientific notation as follows, 6.022 x 1023 = 6.022E23

 (100.0 g) = ____atoms of O

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