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4 years ago

Scientific notation is

Chemistry

1 answer:

Murrr4er [49]4 years ago

8 0

Answer:

Scientific notation is a system in which quantities are too big or too tiny to compose in decimal form.

Key words:

1: Scientific

2: Quantities

3: Decimal

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Hope this helps.

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The magnetic force exerted in the region around a magnet is know as its what is the correct answer?

pishuonlain [190]

It is known as the Magnetic Field.

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4 years ago

Calculate the molarity of 29.9 g of MgS in 911 mL of solution??

LUCKY_DIMON [66]

0.58 is the molarity of 29.9 g of MgS in 911 mL of solution.

Define the molarity of a solution.

Molarity (M) is the amount of a substance in a certain volume of solution. Molarity is defined as the moles of a solute per litres of a solution. Molarity is also known as the molar concentration of a solution.

Given data:

Volume of solution = 911 mL=0.911L

Given the mass of MgS = 29.9 g

Molar mass of MgS = 56.38 g/mol

Moles of MgS = 0.5303299042

$Molality = \frac{Moles \;solute}{Volume \;of \;solution \;in \;litre}$

$Molality = \frac{0.5303299042}{0.911L}$

Molality = 0.5821403998=0.58

Hence, 0.58 is the molarity of 29.9 g of MgS in 911 mL of solution.

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2 years ago

Witch of these is a mixture? A.calcium B.carbon dioxide C.salt water D.potassium

Murljashka [212]

The answer to this is c

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4 years ago

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KiRa [710]

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Explanation:

hope it heloed

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3 years ago

Potassium and fluorine are both halogens?

andreev551 [17]

Answer:

false, Potassium and fluorine are not halogens.

only fluorine here is halogen.

potassium is an alkali earth metal it doesn't comes under category of halogens, but fluorine

is a non metal which comes under halogen family.

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3 years ago