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3 years ago

What information does a net ionic equation give?

Chemistry

1 answer:

katen-ka-za [31]3 years ago

3 0

Answer:

C. It lists only the substances that are changed.

Explanation:

Balanced Chemical equation:

HClO₂(aq) + NaOH(aq) → H₂O(l) + NaClO₂ (aq)

Ionic equation:

H⁺(aq) + ClO₂⁻(aq) + Na⁺(aq) + OH⁻(aq) → H₂O(l) + Na⁺(aq) + ClO₂⁻ (aq)

Net ionic equation:

H⁺(aq) + OH⁻(aq) → H₂O(l)

The ClO₂⁻(aq) and Na⁺ (aq) are spectator ions that's why these are not written in net ionic equation. The water can not be splitted into ions because it is present in liquid form. This'e why it is written in net ionic equation.

Spectator ions:

These ions are same in both side of chemical reaction. These ions are cancel out. Their presence can not effect the equilibrium of reaction that's why these ions are omitted in net ionic equation.

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A compound of copper and sulfur contains 88.39 g of metal and 44.61 g of nonmetaL How many grams of copper are in 5264 kg of com

Dahasolnce [82]

Answer :

The mass of copper in 5264 kg of compound are, 3498383.158 g

The mass of sulfur in 5264 kg of compound are, 1765616.842 g

Explanation : Given,

Mass of metal = 88.39 g

Mass of non-metal = 44.61 g

Given mass of compound = 5264 kg = 5264000 g (1 kg = 1000 g)

Now we have to calculate the total mass of compound.

Total mass of compound = Mass of metal + Mass of non-metal

Total mass of compound = 88.39 + 44.61 = 133 g

Now we have to calculate the mass of copper.

As, 133 g of compound contains 88.39 g of copper

So, 5264000 g of compound contains $\frac{5264000}{133}\times 88.39=3498383.158g$ of copper

The mass of copper in 5264 kg of compound are, 3498383.158 g

Now we have to calculate the mass of sulfur.

As, 133 g of compound contains 44.61 g of sulfur

So, 5264000 g of compound contains $\frac{5264000}{133}\times 44.61=1765616.842g$ of sulfur

The mass of sulfur in 5264 kg of compound are, 1765616.842 g

3 0

4 years ago

Read 2 more answers

Mrs. Allen is about to have another baby. She already has three daughters. What is the probability that her fourth child will al

Marat540 [252]

Answer:

The probability her 4th child will be a girl is 0.5

Explanation:

during pregnancy or child birth, the gender of a baby is not affected by the gender of the previous baby in the womb. Rather it is determined by the type of chromosomes supplied by the father of the baby.

If X chromosomes are supplied, a girl will be born because the baby will have xx chromosomes. If Y chromosomes are supplied, the baby will have YY chromosomes which means that he is a boy.

Hence there are equal chances of the baby being a boy or a girl, each time a woman is pregnant. The probability of the baby being a boy or a girl is the same and it 0.5

7 0

4 years ago

N:<br> Calculate the mass percent of each element in Na2S.

Goryan [66]

Answer:

NaS2 has two elements within: Sodium & Sulfur.

Basically, the mass percentage of Na2S is:

Sodium = 58.914%

Sulfur = 41.086%

In total, that would equal: 100%.

Explanation:

Well, we know this because Na (Sodium) has 2 atoms & Sodium has no number after it so, that would be an ordinary one atom.

So, knowing that there are more Sodium's than Sulfur, the mass percentage would be higher, than the percentage of Sulfur.

5 0

3 years ago

Acenaphthylene, a hydrocarbon that is a constituent of a coal tar, is 94.71% and has a molar mass of 152.19 g/mol. What are the

dolphi86 [110]

Answer:

From what I personally know, Acenaphthylene 75%. Empirical Formula (Hill Notation): C12H8. CAS Number: 208-96-8. Molecular Weight: 152.19. Beilstein: 774092. EC Number:

Explanation:

Acenaphthylene, a polycyclic aromatic hydrocarbon is an ortho- and peri-fused tricyclic hydrocarbon. The molecule resembles naphthalene with positions 1 and 8 connected by a -CH=CH- unit. It is a yellow solid. Unlike many polycyclic aromatic hydrocarbons, it has no fluorescence. Acenaphthylene/Formula is C12H8.

I'm not sure if this will help you but this is what I know so I hope it does :)

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3 years ago

Describe one way you could protect a bicycle from corrosion

Varvara68 [4.7K]

Don't use the brakes too hard when u stop. That can cause the biker to fall forward.

Give me a thanks if it helps!!

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3 years ago