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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Question
Transcribed Image Text:QUESTION 1
Phosphorus trichloride (PC13) reacts with water to form phosphorous acid, H 3PO3, and hydrochloric acid (HCI) in the
following unbalanced reaction. What is the coefficient (number in front) of HCI in balanced reaction? (Hint: Balance the
number of Cl atoms first)
PCI3 +_ H20 ---> _ H3PO3 + _HCI
O A. 1
O B. 4
O C.2
O D.5
O E. 3
QUESTION 2
What is the mass of 4 moles of NaOH?
O A. 39.99 g
O B. 4 g
O C. 159.99 g
O D.6.02 x 1023 g
O E. 23.0 g
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