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kkurt [141]
3 years ago
14

What is the mass in grams of 3.05x10^25 gold atoms

Chemistry
1 answer:
Snezhnost [94]3 years ago
4 0
9.96*10⁻²² is the answer, First you find the molar mass of gold, then you turn atoms to moles then moles to grams. There you go you're done!<span />
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What two sublevels of orbitals contain valence electrons? (s, p, d, or f)?
LuckyWell [14K]
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3 years ago
Under which conditions of temperature and pressure is a gas most soluble in water?
anyanavicka [17]
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3 years ago
a 108ml sampl of gas has a mass of 77.96mg at a pressure of 1140mmhg and temperature of 183°c .what is the molar mass of the gas
madam [21]

Answer:

146.85 g/mol

Explanation:

PV=nRT

n=mass/molar mass

covert from mmhg to atm = 0.184 atm

convert from ml to L= 0.108 L

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then rearrange the formula:

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=(0.184)(0.108)/(0.08206)(456.15)

n= 5.308*10^(-4)

rearrange the n formula interms of molar mass:

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molar mass= 146.85g/mol

3 0
3 years ago
Read 2 more answers
Choose the appropriate electron configuration for an element whose third shell contains six electrons.​
slamgirl [31]

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The electron configuration shows the distribution of electrons in the shells of an atom and in orbitals.

We have been told that the six electrons are found in the third shell. This shell has n=3 and the configuration of this shell must ns2 np4.

The only electron configuration that meets this standard is 1s2 2s2 2p6 3s2 3p4.

Learn more: brainly.com/question/18704022

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What two units are best suited to measure the dimensions of a fish tank
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Centimeter and Liter :)

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