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LekaFEV [45]
3 years ago
6

Which is an important question to consider when creating an environmental policy?

Chemistry
2 answers:
Vinvika [58]3 years ago
6 0

Answer:

Is The Benefit Worth The Cost?

Explanation:

morpeh [17]3 years ago
4 0

Answer: is the benefit worth the cost?

Explanation: for those on edge :)

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gThe mole fraction of potassium nitrate in an aqueous solution is 0.0194. The solution's density is 1.0627 g/mL. What is the mol
xxMikexx [17]

Answer:

0.595 M

Explanation:

The number of moles of water in 1L = 1000g/18g/mol = 55.6 moles of water.

Mole fraction = number of moles of KNO3/number of moles of KNO3 + number of moles of water

0.0194 = x/x + 55.6

0.0194(x + 55.6) = x

0.0194x + 1.08 = x

x - 0.0194x = 1.08

0.9806x= 1.08

x= 1.08/0.9806

x= 1.1 moles of KNO3

Mole fraction of water= 55.6/1.1 + 55.6 = 0.981

If

xA= mole fraction of solvent

xB= mole fraction of solute

nA= number of moles of solvent

nB = number of moles of solute

MA= molar mass of solvent

MB = molar mass of solute

d= density of solution

Molarity = xBd × 1000/xAMA ×xBMB

Molarity= 0.0194 × 1.0627 × 1000/0.981 × 18 × 0.0194×101

Molarity= 20.6/34.6

Molarity of KNO3= 0.595 M

8 0
3 years ago
Describe the function of each of the following types of neurons.
lutik1710 [3]
B will be the one I think tbh
5 0
3 years ago
Is phosphorous dissolving in carbon disulfide a physical or chemical property? if physical, is it intensive or extensive?
Nana76 [90]

Answer:  Phosphorus is insoluble in water, but soluble in carbon disulfide. Phosphorus burns spontaneously in air to its pentoxide.

Explanation: Hope this helped! :)

3 0
3 years ago
Read 2 more answers
How many electrons can the innermost shell of an atom have?
ss7ja [257]
There can only be two electrons in the innermost shell of an atom so b is the correct answer
5 0
3 years ago
Which statement best explains how the solution should be made? Add 49. 6 mL of 0. 250 M sucrose to 400. 0 mL of water to get 400
soldier1979 [14.2K]
The Last one thank you thank you hope this helped!
7 0
3 years ago
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