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Artemon [7]
2 years ago
8

To find the number of neutrons in a atom, you subtract the number of_____ from the mass number.

Chemistry
2 answers:
Slav-nsk [51]2 years ago
8 0

You can simply subtract the atomic number from the mass number in order to find the number of neutrons.

Nina [5.8K]2 years ago
7 0
Subtract the number of *protons* from the mass number
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How many moles are in 0.06 grams of iron
Eva8 [605]
No of mole = reacting mass/ molar mass

No of mole = 0.06/56

No of mole = 0.00107mol....

Or...

1mole of iron contain 56gmol¯¹
:-x mole is contained in 0.06g

Porata
And you'll have..

x = 0.06/56

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3 years ago
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3 years ago
Draw a schematic diagram with a battery, connecting wires, a light bulb, and an ammeter in a series circuit.
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....................................................................................................................................

3 0
3 years ago
How many grams is 4.15 liters of O2 at stp?
RSB [31]

Answer:

Mass = 5.92 g

Explanation:

Given data:

Volume of O₂ = 4.15 mol

Temperature and pressure = standard

Mass in gram = ?

Solution:

The given problem will be solve by using general gas equation,

PV = nRT

P= Pressure

V = volume

n = number of moles

R = general gas constant = 0.0821 atm.L/ mol.K  

T = temperature in kelvin

By putting values,

1 atm × 4.15L = n ×0.0821 atm.L /mol.K × 273.15 k

4.15 atm.L = n ×22.43 atm.L /mol

n = 4.15 atm.L / 22.43 atm.L /mol

n = 0.185 mol

Mass in gram:

Mas = number of moles × molar mass

Mass = 0.185 mol ×32g/mol

Mass = 5.92 g

3 0
2 years ago
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