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Chemistry

1 answer:

maks197457 [2]3 years ago

6 0

Answer:

Id say A. I think I hope I'm right

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Steven had a sample of ethanol and wanted to see if it would boil at the temperature found in his textbook. His experiment yield

Natasha_Volkova [10]

Answer:

17.04%

Explanation:

Actual Value = 173.1

Measured Value = 143.6

Percent error is obtained using the equation;

Percent error = (Measured - Actual) / Actual ]* 100

Percent error = [ (143.6 - 173.1) / 173.1 ] * 100

The absolute value of (Measured - Actual) is taken,

Percent Error = [29.5 / 173.1 ] * 100

Percent Error = 0.1704 * 100 = 17.04%

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3 years ago

Which kinds of bonds are present in a single water molecule?.

Elden [556K]

The type of bonding present in water (H2O) is hydrogen bonding.

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3 years ago

What other missions had been to Mars, and what did they accomplish?

lesya692 [45]

Answer:

they stayed alive?

Explanation:

easy

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2 years ago

Read 2 more answers

A chemist prepares a solution of barium chloride by measuring out of barium chloride into a volumetric flask and filling the fla

mezya [45]

The given question is incomplete. The complete question is:

A chemist prepares a solution of barium chloride by measuring out 110 g of barium chloride into a 440 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in mole per liter of the chemist's barium chloride solution. Round your answer to 3 significant digits.

Answer: Concentration of the chemist's barium chloride solution is 1.20 mol/L

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{n\times }{V_s}$