3 years ago

A solution which is ____ will dissolve in a solvent, like water. A) freezing B) insoluble C) combustible D) soluble

Chemistry

1 answer:

shtirl [24]3 years ago

3 0

Answer:

I think it may be b but I am not sure

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How many grams of Ca(OH)2are required to make 1.5 L of a 0.81 M solution?

FrozenT [24]

Answer:

Mass = 90.28 g

Explanation:

Given data:

Mass of Ca(OH)₂ = ?

Volume of solution= 1.5 L

Molarity of solution = 0.81 M

Solution:

First of all we will calculate number of moles.

Molarity = number of moles / volume in L

by putting values,

0.81 M = Number of moles / 1.5 L

Number of moles = 0.81 M × 1.5 L

Number of moles = 1.22 mol

Mass of Ca(OH)₂ in gram:

Mass = number of moles × molar mass

Mass = 1.22 mol × 74.09 g/mol

Mass = 90.28 g

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Explanation:

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ipn [44]

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High-pressure liquid chromatography (HPLC) is a method used in chemistry and biochemistry to purify chemical substances. The pre

kotykmax [81]

Answer:

3.41 x10⁶ torr

Explanation:

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