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Ede4ka [16]
1 year ago
13

What is the identity of a metal that has a mass of 27.0 g and a volume of 10.0 cm3?

Chemistry
1 answer:
dexar [7]1 year ago
6 0

The identity of a metal that has a mass of 27.0g and a volume of 10.0cm is Aluminium. That is option B.

<h3>What is molar mass?</h3>

Molar mass is defined as the mass in grams of one mole of an element. This is measured in grams/mole of that substance.

The metal that is 27.0 g and a volume of 10.0 cm3 is aluminium because aluminium is 27 times heavier than 1/12th of the mass of carbon-12 atom.

Therefore, the identity of a metal that has a mass of 27.0g and a volume of 10.0cm is Aluminium.

Learn more about molar mass here:

brainly.com/question/837939

#SPJ1

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san4es73 [151]
First choice: PhH4 has a lower boiling point
Second: SiF4 higher
Third: CBr4 higher

4 0
3 years ago
How many grams do 6.534e+24 molecules of phosphoric acid weigh?
fredd [130]

Answer:

1,063 grams H₃PO₄

Explanation:

To find the mass of phosphoric acid (H₃PO₄), you should (1) convert molecules to moles (via Avogadro's number) and then (2) convert moles to grams (via molar mass from periodic table).

Molar Mass (H₃PO₄): 3(1.008 g/mol) + 30.974 g/mol + 4(15.998 g/mol)

Molar Mas (H₃PO₄): 97.99 g/mol

6.534 x 10²⁴ molecules H₃PO₄                       1 mole                         97.99 g
---------------------------------------------  x  -------------------------------------  x  --------------
                                                            6.022 x 10²³ molecules          1 mole

= 1,063 grams H₃PO₄

3 0
2 years ago
How to balance Mg3n2+H20&gt;&gt;Mg(oh)2+Nh3?
alexandr1967 [171]
Mg₃N₂ + 6H₂O  =  3Mg(OH)₂ + 2NH₃
4 0
3 years ago
The atomic number of an element gives the number of __ and __in the atom while the mass number gives the total number of__and__
posledela
The atomic number of an element gives the proton and electron in the atom while the mass number gives the total number of protons and neutron
8 0
3 years ago
Which is the most polar bond?<br><br> a. H-Se <br> b. P-Br <br> c. N-I <br> d. No right answer.
docker41 [41]

Answer:

The answer to your question is: b. P - Br

Explanation:

Difference of electronegativities from the periodic table. The one with the highest electronegativity will be the most polar.

a.

H =  2.2

Se = 2.55

Electronegativity = 2.55 - 2.2 = 0.35

b.

P = 2.19

Br = 2.96

Electronegativity = 2.96 - 2.19 = 0.77

c.

N = 3.04

I = 2.66

Electronegativity = 3.04 - 2.66 = 0.38

4 0
3 years ago
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