2 years ago

How could a forest grow on a Mountain that is surrounded by a desert?

1 answer:

6 0

Answer: Mountains recive lots of landfall, even when surrounded by a desert. It gets cold up in the peek, and when the snow melts, water would seep into the soil.

Explanation:

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3 years ago

How many Liters are in 1.245 x 10 6mL?

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2 years ago

When one mole of a solute is present in 500 cm3 of solution, then the concentration of the solution is:

Schach [20]

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0.5M is the answer.

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3 years ago

29.47 mL of a solution of the acid HBr is titrated, and 72.90 mL of 0.2500-M NaOH is required to reach the equivalence point. Ca

Klio2033 [76]

The original concentration of the acid solution is 6.175 $\times$ 10^-4 mol / L.

<u>Explanation:</u>

Concentration is the ratio of solute in a solution to either solvent or total solution. It is expressed in terms of mass per unit volume

HBr + NaOH -----> NaBr + H2O

There is a 1:1 equivalence with acid and base.

Moles of NaOH = 72.90 $\times$ 10^-3 $\times$ 0.25

= 0.0182 mol.

[ HBr ] = moles of base / volume of a solution

= 0.0182 / 29.47

= 6.175 $\times$ 10^-4 mol / L.

4 0

2 years ago