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3 years ago

When salt is dissolved in water the result is a

Chemistry

1 answer:

MrRissso [65]3 years ago

3 0

Answer:

Water molecules pull the sodium and chloride ions apart

Explanation:

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g Write a molecular equation for the precipitation reaction that occurs (if any) when the following solutions are mixed. If no r

Mrac [35]

Answer:

CuBr₂(aq) + Pb(CH₃COO)₂(aq) → Cu(CH₃COO)₂(aq) + PbBr₂ (s)↓

Explanation:

We identify the reactants:

CuBr₂ and Pb(CH₃COO)₂

The products will be: Cu(CH₃COO)₂ and PbBr₂

You may know these information:

Salts from acetate are soluble.

Bromide can make solid salts with these cations: Ag⁺, Pb²⁺, Hg₂²⁺, Cu⁺

PbBr₂ is formed, so this will be our precipitate

The equation is:

CuBr₂(aq) + Pb(CH₃COO)₂(aq) → Cu(CH₃COO)₂(aq) + PbBr₂ (s)↓

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3 years ago

A cube is 4 cm on each side. What is its volume?<br><br> Answer: 64cm^3

Anit [1.1K]

Answer:

yeah

Explanation:

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3 years ago

When a scientist shares her findings with other scientists she is

finlep [7]

Answer:

communicating results

Explanation:

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4 years ago

Read 2 more answers

What is the mass of 2.50 moles of potassium chlorate in grams

Sedaia [141]

Answer: 306 grams are there in 2.50 moles of potassium chlorate

Explanation

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.

To calculate the number of moles, we use the equation:

$\text{Number of moles}=\frac{\text{Given mass}}{\text{Molar mass}}$

given mass of potassium chlorate = ?

Molar mass of potassium chlorate = 122.55 g/mol

Putting in the values we get:

$2.50=\frac{xg}{122.55g/mol}$

$x=2.50mol\times 122.55g/mol=306g$

306 grams are there in 2.50 moles of potassium chlorate

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3 years ago

ASTRONOMY HELP! (:

Novay_Z [31]

C because it’s talking about the earth and it’s rotating

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3 years ago