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Gemiola [76]
3 years ago
7

Be sure to answer all parts. provide stepwise mechanisms illustrating how each product is formed by choosing, in order, the step

s involved in the formation of each product. if a mechanistic step is not needed, select "n/a". qs "b:" = lda and/or −oc(ch3)3 a a b b c c 06 d e e 08 f 07 g h h i i 09] j k k i. step [1] step [2] p1 step [3] ii. step [1] step [2] p2 step [3] iii. step [1] step [2] p3 step [3] iv. step [1] step [2] p4

Chemistry
1 answer:
SpyIntel [72]3 years ago
8 0

Answer:

Explanation:

find the solution below

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Word equation: magnesium chloride + bromine -> magnesium bromide + chlorine
balance equation: MgCl2 + 2Br -> MgBr2 + 2Cl
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2 years ago
Which of the following is an incorrect way of rearranging the density formula:
goldenfox [79]
We know that density = mass /volume
so
mass=volume*density
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so c is wrong
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3 years ago
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A buffer contains 0.18 mol of propionic acid (C2H5COOH) and 0.26 mol of sodium propionate (C2H5COONa) in 1.20 L. What is the pH
Yuki888 [10]

Answer:

1) pH = 5.05

2) pH = 5.13

3) pH = 4.97

Explanation:

Step 1: Data given

Number of moles of propionic acid = 0.18 moles

Number of moles sodium propionate = 0.26 moles

Volume = 1.20 L

Ka = 1.3 * 10^-5    → pKa = 4.989

Step 2: Calculate concentrations

Concentration = moles / volume

[acid]= 0.18/ 1.2 =0.150 M

[salt]= 0.26/ 1.3 = 0.217 M

pH = 4.89 + log(0.217/0.150)=<u>5.05</u>

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What is the pH of the buffer after the addition of 0.02 mol of NaOH?

moles acid = 0.18 - 0.02 = 0.16

[acid]= 0.16/ 1.2=0.133 M

moles salt = 0.26 + 0.02 = 0.28

[salt]= 0.28/ 12=0.233

pH = 4.89 + log 0.233/ 0.133 = 5.13

What is the pH of the buffer after the addition of 0.02 mol of HI?

moles acid = 0.18+ 0.02 = 0.20 moles

[acid]= 0.20/ 1.2 = 0.167 M

[salt]= 0.26 - 0.02= 0.24 moles

[salt]= 0.24/ 1.2 = 0.20 M

pH = 4.89 + log 0.20/ 0.167= 4.97

8 0
2 years ago
HELPPPPPP<br><br> is this <br> 1:conduction<br> 2:radiation<br> 3:convection
qaws [65]

Answer:

Radiation

Explanation:

Sun rays shine on earth. Thats radiation.

3 0
3 years ago
Pls helps asap plssss !!!!
DerKrebs [107]

Answer:1 3 4 1 im pretty positive

5 0
2 years ago
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