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shepuryov [24]
3 years ago
6

The Dust Bowl was a time In the 1930s when prairie states in the Midwest had farmlands torn apart by wind erosion and storms. Th

is disaster caused food shortages and financial hardship. What practice is most helpful to prevent another similar tragedy?
A. no-till farming to allow roots to hold soil together
B. over watering of fields to keep soil wet
C. terrace farming by putting walls up on hills
D. agricultural reform to change the types of crops planted
Chemistry
2 answers:
grandymaker [24]3 years ago
8 0
D. I might be wrong but I learned this a while ago
Greeley [361]3 years ago
3 0

Answer:

C

Explanation: The dust bowl killed many crops resulting to low nutrients

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mezya [45]

The given question is incomplete. The complete question is:

A chemist prepares a solution of barium chloride by measuring out 110 g of barium chloride into a 440 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mole per liter of the chemist's barium chloride solution. Round your answer to 3 significant digits.

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Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

Molarity=\frac{n\times }{V_s}

where,

n = moles of solute

V_s = volume of solution in L

moles of BaCl_2(solute) = \frac{\text {given mass}}{\text {Molar Mass}}=\frac{110g}{208g/mol}=0.529mol

Now put all the given values in the formula of molality, we get

Molality=\frac{0.529\times 1000}{440ml}=1.20mole/L

Therefore, the molarity of solution is 1.20 mol/L

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