Question
In: Chemistry
2) Use the data table to answer the questions. Mass of Evaporating Dish 89.3553 g Mass...
2) Use the data table to answer the questions.
Mass of Evaporating Dish 89.3553 g
Mass of Evaporating Dish and Aqueous Solution 114.3621 g
After Heating Mass of Evaporating Dish and Dry Salt 100.8553 g
a) Mass of solution?
b) Mass of dry salt?
c) Mass and Volume of water? (Density of H2O is 1.00 g/mL)
d) Solubility of salt in g/100 mL H2O L
Use the Data Table below to answers the next few questions.
Molarity of standard NaOH solution 2.50 M
Volume of vinegar used 15.35 mL
Final NaOH buret reading 16.23 mL
Initial NaOH buret reading 50.00 mL
Volume NaOH used
3) What is the Molarity of the HC2H3O2 in this titration?
4) How many grams of HC2H3O2 per liter of vinegar?
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
Experiment A Mass of evaporating dish and watch glass (g): 51.368 Mass of evaporating dish +...
Experiment A
Mass of evaporating dish and watch glass (g): 51.368
Mass of evaporating dish + watch glass + Na2CO3: 51.677
Mass of Na2CO3 Used: 0.309
Mass of evaporating dish + watch glass + NaCl: 51.671
Mass of NaCl collected: 0.303
a) The number of moles of sodium carbonate (M.W. = 105.989
g/mole). Only enter the numerical value with the right number of
sig. figs. and in exponential form (e. g. 1.23E-1).
b) The number of moles of sodium chloride...
determination 1 2 mass of Zn strip, g 25.469 23.887 mass of empty evaporating dish, g...
determination
1
2
mass of Zn strip, g
25.469
23.887
mass of empty evaporating dish, g
23.274
20.740
mass of dried unreated Zn, g
24.678
23.372
mass of evaportating dish plus Cu, g (first heating)
24.741
24.499
second heating
24.066
21.240
third heating
23.980
21.240
mass of copper chloride in 25.0 ml of solution, g = 2.018g
PLEASE SHOW ALL WORK FOR THESE PROBLEMS AS WELL AS BRIEFLY
EXPLAINING WHEN NECESSARY PLEASE AND THANK YOU!
1. (A) Is the calculated...
determination 1 2 mass of Zn strip, g 25.469 23.887 mass of empty evaporating dish, g...
determination
1
2
mass of Zn strip, g
25.469
23.887
mass of empty evaporating
dish, g
23.274
20.740
mass of dried unreated Zn,
g
24.678
23.372
mass of evaportating dish plus Cu, g (first heating)
24.741
24.499
second heating
24.066
21.240
third heating
23.980
21.240
mass of copper chloride in 25.0 ml of solution, g = 2.018g
PLEASE SHOW ALL WORK AND BE AS DESCRIPTIVE AS POSSIBLE PLEASE
AND THANK YOU!
1. (A) Calculate the mass of Cu
produced in...
Separation of Mixtures Experiment Given information: 1. Mass of evaporating dish: 54.3184g 2. Mass of dish...
Separation of Mixtures Experiment
Given information:
1. Mass of evaporating dish: 54.3184g
2. Mass of dish and sodium chloride: 61.1048g
3. Mass of dish and sodium chloride (1st heating): 56.0387g
4. Mass of dish and sodium chloride (2nd heating): 56.0293g
5. Mass of dish and sodium chloride (3rd heating if necessary):
N/A
6. Mass of saturated sodium chloride solution:
___
7. Mass of sodium chloride: ___
Question 1) How do I calculate the saturated NaCl
solution?
Question 2) How do...
Use the data given in the table to answer the following questions. The data represents the...
Use the data given in
the table to answer the following questions. The data represents
the average number of miles that a salesperson travels in a day
verses the number of sales made each month.
Miles, x
24
32
75
41
76
107
32
46
112
Sales, y
76
58
190
112
141
235
24
147
188
(a) What is the value
of the correlation coefficient for this set of data? Round to 3
decimal places.
(b) What is the...
Use the data in Table 2.0, answer questions 1, 2, & 3. Please show all of...
Use the data in Table 2.0, answer questions 1, 2, & 3.
Please show all of your working.
Table 2.0 Data for a sample of 50 individual in a
Cardiovascular Disease Study
Participant ID
Weight (kg)
Height (cm)
Smoking status
Blood glucose
1
70
165
1
107
2
60
162
0
145
3
62
150
1
237
4
66
165
1
91
5
70
162
0
185
6
59
165
0
106
7
47
160
0
177
8
66
170...
The following table provides data for a project. Use the data to answer the following questions...
The following table provides data for a project. Use the
data to answer the following questions
Activity
Immediate
Predecessor
Time Estimates (weeks)
Optimistic
Most Likely
Pessimistic
Expected
Variance
A
-
6
7
14
B
-
8
10
12
C
A
2
3
4
D
A
6
7
8
E
B,C
5
5.5
9
F
B,C
5
7
9
G
D,E
4
6
8
H
F
2.5
3
3.5
Draw a network to represent the above project.
What is the critical...
CH4(g) + Cl2(g) CH2Cl2(g) + 2 HCl(g) Use the data in the table below to...
CH4(g) + Cl2(g) CH2Cl2(g) + 2 HCl(g) Use the data in the table
below to calculate the standard enthalpy, ∆H˚, for the reaction
above. Substance CH4(g) CH2Cl2(g) HCl(g) ∆Hf˚, kJ•mol-1 –74.6 –95.4
–92.3
Table 1: Mass Data Mass (g) Trial 1 Trial 2 Trial 3 Water 48.0 g 48.5...
Table 1: Mass Data
Mass (g)
Trial 1
Trial 2
Trial 3
Water
48.0 g
48.5 g
48.3 g
Metal Strip
36.9 g
37.0 g
37.2 g
Table 2: Specific Heat Data
Time (minutes)
Temperature (°C)
Trial 1
Trial 2
Trial 3
Initial
35.1 C
35.6 C
35.6 C
5 minutes
35.3 C
36.4 C
35.8 C
6 minutes
35.0 C
36.0 C
35.4 C
7 minutes
34.6 C
35.7 C
35.4 C
8 minutes
34.6 C
35.5 C
35.3...
Use the data in the table about Homer’s Donuts to answer the questions below: Number of...
Use the data in the table about Homer’s Donuts to answer the
questions below:
Number of workers
Total Output
Total Revenue
Value of the marginal product of labor
0
0
1
40
2
70
3
90
4
100
5
105
6
107
7
105
a. Complete the table assuming a price of
$1.00.
b. Assuming the price of donuts is $1.00, and the market wage is
$8 an hour, what is the maximum number of workers Homer will
hire?
__________________________...
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