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larisa86 [58]
3 years ago
14

PLZZZ HELP!!! A chemist has synthesized a heavy element in the laboratory and found that it had this electron configuration:

Chemistry
1 answer:
Hitman42 [59]3 years ago
5 0

Answer:

Darmstadtium! Happy to help! :)

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A liquid sample, with a density of .0915 g/mL has a mass of 17.7 grams.
Arlecino [84]

The relation between density, mass and volume is

Density = \frac{Mass}{Volume}

1) to calculate = volume

given:

Density = 0.0915 g/ mL

mass = 17.7 grams

formula used:

Density = \frac{Mass}{Volume}

Thus

Volume Volume = \frac{Mass}{Density} = \frac{17.7 g}{0.915 \frac{g}{mL} }  = 193.44 mL

Answer: 193.44 mL

2) the mass of sample will be

mass = density X volume = 0.0915\frac{g}{mL} X 76.5 mL = 6.99 = 7 g

Answer: 7 g

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3 years ago
Which best describes how isotopes of the same element differ?
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As a bond netween a hydrohen atom and sulfur atom is formed, electrons are
aleksley [76]

shared to form an ionic bond.


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7 0
3 years ago
Solutions of aluminum nitrate and sodium sulfate react to form sodium nitrate and aluminum sulfate. Classify this reaction.
Temka [501]
C is the correct answer. Double displacement reaction, also called as metathesis, is a type of reaction wherein two compounds react to form new compounds. This case the cations and the anions of the reactants replace each other forming the new compounds.
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What is the molarity of a solution with 130g of CoCl2 in 1/2 liter? (can you show the steps please)
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Answer:

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Explanation:

M=mol/L

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