3 years ago

Which option best characterizes the following scenario?

1 answer:

7 0

Answer:

Externalities are costs (negative externalities) or benefits (positive externalities), which are not reflected in free market prices. ... Market failure is a situation in which the free market leads to a misallocation of society's scarce ... and the killing of fish is not a cost that it would directly have to bear

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1. How many moles of HCl are in 7.80 X 1022 molecules? Answer:___0.13 moles of HCI

Nuetrik [128]

Answer: 7.80× $10^{22}$ $\frac{1}{6.02*10^{23} }$ =.13

Explanation:

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3 years ago

Equation for the reaction of water and HCL(g)

Elina [12.6K]

HCl + H2O---> H3O+ Cl-

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3 years ago

Please check what I have and help!!

steposvetlana [31]

Moles = mass(g) / ar

Reconfigure the eqn to
Mass(g) = Moles × ar

Imput the info you have and the ar of Mn and you should be able to get your ans. Sorry, i dont have a calculator with me.

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3 years ago

An aqueous salt solution is 15.0% mass sodium chloride. How many grams of salt are in 250.0 grams of this solution? Use correct

Shtirlitz [24]

Answer:

37.5 g NaCl

Explanation:

Step 1: Given data

Concentration of NaCl: 15.0% m/m

Mass of the solution: 250.0 g

Step 2: Calculate how many grams of NaCl are in 250.0 g of solution

The concentration of NaCl is 15.0% by mass, that is, there are 15.0 g of NaCl every 100 g of solution.

250.0 g Solution × 15.0 g NaCl/100 g Solution = 37.5 g NaCl

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3 years ago

Convert 121 Cal to kilowatt-hours

gulaghasi [49]

Answer:

here

Explanation:

0.000141 to kilowatt-hours. hope this helped

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3 years ago