3 years ago

Definition: This is a measure of the quantity of matter.

Chemistry

2 answers:

Vlada [557]3 years ago

7 0

Answer:

Mass

Explanation:

Slav-nsk [51]3 years ago

3 0

Answer:

Mass

Explanation:

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Calculate the no. of each atoms presents in 10 grams of calcium carbonate.

raketka [301]

Molar Mass of Calcium carbonate:-

$\\ \sf\longmapsto CaCO_3$

$\\ \sf\longmapsto 40u+12u+3(16u)$

$\\ \sf\longmapsto 52u+48u$

$\\ \sf\longmapsto 100u$

$\\ \sf\longmapsto 100g/mol$

Given Mass=10g

$\boxed{\sf No\:of\;moles=\dfrac{Given\:Mass}{Molar\:Mass}}$

$\\ \sf\longmapsto No\:of\;moles=\dfrac{10}{100}$

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Now

$\boxed{\sf No\:of\:molecules=No\;of\:moles\times Avagadro\: No}$

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3 years ago

Which group on the periodic table already stable?

viktelen [127]

The noble gases AKA the column with full outermost valence shells. (Group 18)

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A _____ solution contains more dissolved solute than a saturated solution at the same temperature.

klemol [59]

The answer according to my teacher would be Supersaturated

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How many chlorine (CI) atoms are in Methylene?

Aleks04 [339]

Answer:

None

Explanation:

Methylene is an organic compound and organic compounds consist of hydrogen atoms and Carbon atoms in n this case Methylene(CH2) has one carbon and two hydrogens .

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