If I need to make up 2L of a 0.7M solution of CaCl2 , how many grams would I need? This information may help you. Na = 23.0 CI = 35.5 O =16.0 C = 12.0 H =1.0 Ca = 40.1 K = 39.1 Br = 79.9 Mg = 24.3 Mn = 54.9 O 111.1g 155.54g O 77.77g O 55.55g

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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Please answer both questions?

Given the following data attained from 4 time trials to determine oxygen consumption as you did during lab
last week. Calculate the average time in seconds.
2.667 minutes
3.75 minutes
2.25 minutes
2.916 minutes
0.2 seconds
O 695 seconds
O 173.75 seconds
O 14.33 séconds
O 0.19335 seconds
Transcribed Image Text:Given the following data attained from 4 time trials to determine oxygen consumption as you did during lab last week. Calculate the average time in seconds. 2.667 minutes 3.75 minutes 2.25 minutes 2.916 minutes 0.2 seconds O 695 seconds O 173.75 seconds O 14.33 séconds O 0.19335 seconds
Question 3
If I need to make up 2L of a 0.7M solution of CaCl2 , how many grams would I need?
This information may help you.
Na = 23.0
CI = 35.5
O =16.0
C = 12.0
H =1.0
Ca = 40.1
%3D
K = 39.1
Br = 79.9
Mg = 24.3
Mn = 54.9
111.1g
O 155.54g
O 77.77g
O 55.55g
Transcribed Image Text:Question 3 If I need to make up 2L of a 0.7M solution of CaCl2 , how many grams would I need? This information may help you. Na = 23.0 CI = 35.5 O =16.0 C = 12.0 H =1.0 Ca = 40.1 %3D K = 39.1 Br = 79.9 Mg = 24.3 Mn = 54.9 111.1g O 155.54g O 77.77g O 55.55g
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