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sweet [91]
3 years ago
12

the density of carbon tetrachloride, CCl4, is 1.59 grams/ml. calculate the volume of 100.0 grams of CCl4

Chemistry
1 answer:
KonstantinChe [14]3 years ago
3 0

Answer:

63 mL

Explanation:

Data given:

density of CCl₄ = 1.59 g/mL

mass of CCl₄ = 100.0 g

Volume = ?

Solution:

To calculate density formula will be used

        d = m/v

rearrange the above equation

         v = m/d . . . . . . (1)

where

d = density

m = mass

v = volume

put values in above formula 1

            v = 100.0 g / 1.59 g/mL

            v = 63 mL

so. the volume of CCl₄ = 63 mL

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How many moles are in 24.75 g of H2O? What is given the conversation and the unknown?
riadik2000 [5.3K]

Answer:

1.373 mol H₂O

General Formulas and Concepts:

<u>Chemistry - Atomic Structure</u>

  • Reading a Periodic Table
  • Using Dimensional Analysis

Explanation:

<u>Step 1: Define</u>

24.75 g H₂O

<u>Step 2: Identify Conversions</u>

Molar Mass of H - 1.01 g/mol

Molar Mass of O - 16.00 g/mol

Molar Mass of H₂O - 2(1.01) + 16.00 = 18.02 g/mol

<u>Step 3: Convert</u>

<u />24.75 \ g \ H_2O(\frac{1 \ mol \ H_2O}{18.02 \ g \ H_2O} ) = 1.37347 mol H₂O

<u>Step 4: Check</u>

<em>We are given 4 sig figs. Follow sig fig rules and round.</em>

1.37347 mol H₂O ≈ 1.373 mol H₂O

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2 years ago
If a car passes a pedestrian, a change in pitch is __________.
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Suppose the data formed a line with a steeper slope. For the same change in temperature, how would the change in volume compare?
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How many phosphorous atoms are found in three molecules of magnesium phosphate, 3Mg3(PO4)2?
aleksandr82 [10.1K]

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Explanation:

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Therefore, three molecules of magnesium phosphate contains following number of atoms.

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3 years ago
The concentrated sulfuric acid we use in the laboratory is 98.0% sulfuric acid by weight. Calculate the molality and molarity of
timama [110]

Answer : The molarity and molality of the solution is, 18.29 mole/L and 499.59 mole/Kg respectively.

Solution : Given,

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98.0 % sulfuric acid by mass means that 98.0 gram of sulfuric acid is present in 100 g of solution.

Mass of sulfuric acid (solute) = 98.0 g

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First we have to calculate the volume of solution.

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Now we have to calculate the molarity of solution.

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Now we have to calculate the molality of the solution.

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Therefore, the molarity and molality of the solution is, 18.29 mole/L and 499.59 mole/Kg respectively.

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