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Jet001 [13]
4 years ago
7

PLEASE I NEED HELP ASAP, I DON'T UNDERSTAND THE QUESTION AND STEPS.

Chemistry
1 answer:
JulsSmile [24]4 years ago
5 0

In a double displacement reaction, the cations and anions of two compounds exchange their places resulting in the formation of new compounds.

The given reactants are sodium phosphate (Na_{3}PO_{4}) and copper (II) sulfate(CuSO_{4}). Sodium phosphate and copper sulfate react to form sodium sulfate and copper phosphate.

The balanced chemical equation for the reaction between sodium phosphate and copper sulfate can be represented:

2Na_{3}PO_{4}(aq)+3CuSO_{4}(aq)-->Cu_{3}(PO_{4})_{2}(s)+3Na_{2}SO_{4}(aq)

The product formed copper phosphate is insoluble solid and the other product sodium sulfate is soluble.

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What mass of glucose would you need (in g) to have 0.8 mol, given that the molar mass of glucose is 180 g mol-1?
Verizon [17]
<h3>Answer: 144 g</h3>

Explanation:

  Mass of glucose = moles × molar mass

∴ Mass of glucose = 0.8 mol × 180 g mol⁻¹

                               =  144 g

∴ the mass of glucose you need to have 0.8 mol of glucose = 144 g

5 0
3 years ago
What is the net ionic equation for the reaction<br> ofFeCl3 and KOH in water?
Levart [38]

Answer:

Fe³⁺(aq) + 3 OH⁻(aq) → Fe(OH)₃(s)

Explanation:

First, we will write the molecular equation because it is the easiest to balance.

FeCl₃(aq) + 3 KOH(aq) → Fe(OH)₃(s) + 3 KCl(aq)

The full ionic equation includes all the ions and the molecular species.

Fe³⁺(aq) + 3 Cl⁻(aq) + 3 K⁺(aq) + 3 OH⁻(aq) → Fe(OH)₃(s) + 3 K⁺(aq) + 3 Cl⁻(aq)

The net ionic equation includes only the ions that participate in the reaction and the molecular species.

Fe³⁺(aq) + 3 OH⁻(aq) → Fe(OH)₃(s)

8 0
4 years ago
which is a way to express concentration of a solution? parts per billion moles molar mass force per square meter​
stich3 [128]

Answer:

parts per billion

Explanation:

I took the quiz

5 0
3 years ago
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Silver chloride breaks down to form silver and chlorine in the presence of light. what type of reaction is this? A combination r
Veronika [31]
A decomposition reaction<span> is a type of chemical </span>reaction<span> in which a single compound breaks down into two or more elements or new compounds. These </span>reactions<span> often involve an energy source such as heat, light, or electricity that breaks apart the bonds of compounds. so it is a decomposition reaction because the silver chloride breaks down into silver and chlorine</span>
3 0
3 years ago
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You will analyze four substances in this lab. Based on their chemical formulas and what you already know about covalent and ioni
Phoenix [80]

Answer: Oil: covalent

Cornstarch: Covalent

Sodium chloride: Ionic

Sodium bicarbonate: Ionic

Explanation: Covalent compounds are formed by sharing of electrons between non metals whereas ionic compounds are formed by transfer of electrons from metals to non metals.

1. Oil, which is built from the nonmetals hydrogen, carbon, and oxygen: forms a covalent compound by sharing of electrons between non metals hydrogen, carbon, and oxygen. Covalent compounds are insoluble in water.

2. Cornstarch, a carbohydrate consisting of hydrogen, carbon, and oxygen: forms a covalent compound by sharing of electrons between non metals hydrogen, carbon, and oxygen. Covalent compounds are insoluble in water.

3. Sodium chloride (table salt), whose formula is NaCl is formed by transfer of electrons from sodium to chlorine.Ionic compounds are soluble in water.

4. Sodium bicarbonate, whose formula is NaHCO_3 is formed by transfer of electrons from sodium to HCO_3.Ionic compounds are soluble in water.

7 0
3 years ago
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