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Margaret [11]
4 years ago
8

Hydrogen has one proton in it's nucleus but exists as three isotopes.

Chemistry
1 answer:
murzikaleks [220]4 years ago
8 0
The Isotope Notation occur by adding the Superscript showing Mass Number and Subscript showing Atomic Number to the Left of the Element Symbol.

Example,

                                                 ᵇₐX
                        
                                   Where;
                                                b = Mass Number
                                                a = Atomic Number
                                               X  = Symbol
For Hydrogen Isotopes:

1) Protium: 1 Proton , 0 Neutron

                                                ¹₁H

2) Deuterium: 1 Proton , 1 Neutron

                                                ²₁H

3) Tritium: 1 Proton , 2 Neutron

                                                ³₁H
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Calculate the mass of an object that has a density of 3.52g/cm^3 and
valkas [14]

Answer:

17.6kg

Explanation:

mass = Volume × Density

mass = 5000cm^3 × 3.52g/cm^3

mass = 17600g = 17.6kg

3 0
3 years ago
The fertilizer ammonium sulfate, (NH4)2SO4, is prepared by the reaction between ammonia (NH3) and sulfuric acid:
kumpel [21]

The mass of ammonia required to produce 2.40 × 10⁵ kg of (NH₄)₂SO₄ is 6.18 * 10⁴ Kg of ammonia.

<h3>What mass in kilograms of ammonia are required to produce 2.40 × 10⁵ kg of (NH₄)₂SO₄?</h3>

The mass of ammonia required to produce 2.40 × 10⁵ kg of (NH₄)₂SO₄ is determined from the mole ratio of the reaction.

The mole ratio of the reaction is obtained from the balanced equation of the reaction given below:

  • 2NH₃(g) + H₂SO₄(aq) → (NH₄)₂SO₄(aq)

Mole ratio of NH₃ and (NH₄)₂SO₄ is 2: 1

Mass of 2 moles of ammonia = 2 * 17 = 34 g

Mass of 1 mole of (NH₄)₂SO₄ = 132 g

Mass of ammonia required = 34/132 *  2.40 × 10⁵ kg

Mass of ammonia required = 6.18 * 10⁴ Kg of ammonia.

In conclusion, the mole ratio is used to determine the mass of ammonia required.

Learn more about mole ratio at: brainly.com/question/19099163

#SPJ1

4 0
2 years ago
The question is 7th grade science theres a picture of the question. please help
Oksi-84 [34.3K]

Answer:

true

Explanation:

the ocean crust is found at the edges of the ocean soooooooooooo

5 0
3 years ago
Read 2 more answers
Which statement describes a heterogeneous catalyst?
motikmotik
The Phase of the catalyst is different. (1)
8 0
3 years ago
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What is the atomic mass of bromine, given the atomic masses and percent abundance of the two isotopes are 78.92 amu (50.7%) and
mojhsa [17]

Answer:

79.9 amu

Explanation:

Given data:

Atomic mass of bromine = ?

Percent abundance of 1st isotope = 50.7%

Atomic mass of 1st isotope = 78.92 amu

Percent abundance of 2nd isotope = 49.3%

Atomic mass of 2nd isotope =80.92 amu

Solution:

Average atomic mass  = (abundance of 1st isotope × its atomic mass) +(abundance of 2nd isotope × its atomic mass)  / 100

Average atomic mass = (50.7×78.92)+(49.3×80.92) /100

Average atomic mass =  4001.24 + 3989.36 / 100

Average atomic mass = 7990.6 / 100

Average atomic mass = 79.9 amu.

6 0
3 years ago
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