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mel-nik [20]
2 years ago
10

100 POINTS!!!!!!

Mathematics
2 answers:
pochemuha2 years ago
7 0
<span>1.  115.9284096. We assume you are converting between </span>grams CoF3<span> and </span>mole<span>. This compound is also known as Cobalt(III) Fluoride.

</span>2.
<span>Na = 23 </span>
<span>S= 32 </span>
<span>O= 16 </span><span>

3.  </span>2355.2

4. 7570.2

5. 8.08 g/mol * 1.2 mol = 120 g

6. 0.024083482462885

7. 455176242.02054

srry this is all i can answer
tatuchka [14]2 years ago
3 0
8)2.258×10^24 molecules
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Mary has 1/4 of a tank of gas.A quarter or a tank is equal to 5 gallons how many gallons does her tank hold
Naddika [18.5K]

20 gallons

5 times 4 is 20

Hope this helps and have a great day!

7 0
2 years ago
4(12+3+9) as an distribute expression
miss Akunina [59]

Answer:

Step-by-step explanation: multiply 4 by 12 then 4 by 3 then 4 by 9.

6 0
3 years ago
Kaylin buys a greeting card for $3.79. she then buys 4 postcards that all cost the same amount. the total cost is $5.11. how muc
Pie

Answer:

Step-by-step explanation:

Givens

Greeting Card = 3.79

Total Cost = 5.11

Post cards = x

Equation

Total Cost = Greeting Card + 4x

Solution

Substitute the gives into the equation

5.11 = 3.79 + 4x                       Subtract 3.79 from both sides

5.11 - 3.79 = 3.79 - 3.79 + 4x  Combine

1.32 = 4x                                  Divide by 4

1.32/4 = 4x/4

x = 33

Each post card costs 0.33 dollars

4 0
2 years ago
The point (8,-4) is shown,which is the location of (8,-4 <br> A. Q<br> B. R <br> C. S<br> D. T
Setler [38]

Answer:

S

Step-by-step explanation:

Can't really explain

7 0
3 years ago
Read 2 more answers
1. A magazine advertise its $12 annual subscription price 70% off the newsstand price. What is the number of dollars per year a
ollegr [7]
1.  $17.14

  12   represents    70%
   x    represents    100%

rule of three

Price                 Percentage 
+12                         70-
  -x                          100+

x= \frac{12*100}{70} &#10; \\  \\&#10;x= \frac{12*10}{7} &#10; \\  \\ x=17.14




3 0
2 years ago
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