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oee [108]
3 years ago
8

The accepted value for the density of a certain material is 3.427 g/ml. Ally 10 points

Chemistry
1 answer:
vivado [14]3 years ago
7 0

Answer:

5.04%

Explanation:

The accepted value of density = 3.427 g/ml

The calculated value of density = 3.600 g/ml

We need to find Ally's percentage error on  her density. The error in any value is given by :

\%=\dfrac{\text{calculated-accepted}}{\text{accepted}}\times 100\\\\=\dfrac{3.427 -3.600 }{3.427 }\times 100\\\\=5.04\%

So, the required error is 5.04%.

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PLEASE HELP I NEED IT!!!!!
galina1969 [7]
Answer:
Molarity = 2.3 M

Explanation:
Molarity can be calculated using the following rule:
Molarity = number of moles of solute / volume of solution

1- getting the number of moles:
We are given that:
mass of solute = 105.96 grams
From the periodic table:
atomic mass of carbon = 12 grams
atomic mass of hydrogen = 1 gram
atomic mass of oxygen = 16 grams
Therefore:
molar mass of C2H6O = 2(12) + 6(1) + 16 = 46 grams
Now, we can get the number of moles as follows:
number of moles = mass / molar mass = 105.96 / 46 = 2.3 moles

2- The volume of solution is given = 1 liter

3- getting the molarity:
molarity = number of moles of solute / volume of solution
molarity = 2.3 / 1
molarity = 2.3 M

Hope this helps :)
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3 years ago
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Answer:

true

Explanation:

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4 years ago
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For more information on Electricity visit

brainly.com/question/9383604

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