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3 years ago

When a solution is diluted with water, the ratio of the initial to final

Chemistry

2 answers:

Sindrei [870]3 years ago

5 0

hi there

You're answer would be true

Hope this answer correct

Bas_tet [7]3 years ago

3 0

Hello!!

The correct answer for this problem would be TRUE.

Explanation: it is true that when a solution is diluted with water, the ratio of the initial to final volumes of solution is equal to the ratio of final to initial molarities.

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Which feature is used to classify galaxies? age color shape size

kondor19780726 [428]

Answer:

C. Shape

Explanation:

Did the quiz! & galaxies are classified by shapes called "elliptical, spirial, & irregular"

Good luck :)

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3 years ago

If 50.0 grams of HCl were dissolved in enough water to make a solution with a total volume of 5.0 liters, what would be the mola

SVETLANKA909090 [29]

The molarity of a solution is found to be 10 M.

Explanation:

Molarity of a solution = moles solute

Litres solution

Therefore,M = 50

Molarity of a solution = 10 M

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2 years ago

Using the periodic tables, identify the heaviest member of each of the following groups:

Lady_Fox [76]

Answer:

(a) Alkali metals: Francium (Fr)

(b) Chalcogens: Polonium (Po)

(c) Noble gases: Radon (Rn)

(d) Alkaline earth metals: Radium (Ra)

Explanation:

In the periodic table, the atomic mass increases down the group. Therefore, the last element of a group is the heaviest element of the group.

(a) alkali metals: The chemical elements that are present in group 1 of the periodic table, except hydrogen.

The heaviest member of this group is francium (Fr)

(b) chalcogens: The chemical elements that are present in group 16 of the periodic table

The heaviest member of this group is polonium (Po)

(c) noble gases: The chemical elements that are present in group 18 of the periodic table

The heaviest member of this group is radon (Rn)

(d) alkaline earth metals: The chemical elements that are present in group 2 of the periodic table.

The heaviest member of this group is radium (Ra)

7 0

3 years ago

Calculate the molarity of a sugar solution if 4 liters of the solution contains 12 moles of sugar.

castortr0y [4]

Answer:

Explanation:

Molarity is one of the measures of the molar concentration of a solution, which can be calculated by using the formula below:

Molarity = number of moles ÷ volume

From the information given in this question, 4 liters of a solution contains 12 moles of sugar. This means that n = 12mol and V = 4L

Molarity = n/V

Molarity = 12/4

Molarity = 3

Hence, the molarity of the sugar solution is 3mol/L or 3M

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2 years ago

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Serjik [45]

Explanation:

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3 years ago