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...
Related questions
Question

Transcribed Image Text:b) 4.5g
C) 0.025g
d) 5.6g
8) Molarity (5g) of NaOH dissolved in 120 ml of solution the molar is :
a) 0.75M
b) 1. 04M
c) 1.25M
d) 0.5M .
9) How many grams of AlCl3 (9) should be dissolved, to prepare 1 liter of a solution
in which the concentration of Cl
ions 0.6M?
(ая)
a) 240.3 grams
b) 80.1 grams
c) 26.7 grams
d) 41.1 grams .
10) For the following reaction:
2A + 3B2 → 2AB3
Atomic a Weights A = 27 & B = 35.5
The number of grams of AB3 consisting of (12g) interaction of B2 :
a) 26.2g
Molecular weight AB3
133.5 g mol
b) 15.04g
c) 20g
d) 31.4g
E Focus
nglish (United States)

Transcribed Image Text:5) For the following reaction:
I2 (g) + H2 (g) –→ 2HI (g)
If the amount consumed from (I2) according to the above reaction is (50.8g) and the
actual yield of HI is (40g) then the percentage yield of (HI) is equal to :
a) 78.125%
b) 15.625%
c) 63.341%
d)39.06% .
6) The remaining mass of (92g) of HNO3 if reacted with (24g) of LiOH according
to the equation:
HNO; + LIOH → LINO3 + H2 O
a) 46
b) 29
c) 2
d) 11
7) The mass of potassium hydroxide (KOH) to be dissolved in (100 ml) of water to
obtain a solution of 0.25M concentration is:
a) 1.4g
b) 4.5g
c) 0.025g
d) 5.6g .
Expert Solution

This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 3 steps

Recommended textbooks for you

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning

Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education

Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning

Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education

Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning

Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY