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3 years ago

Question # 9

Chemistry

2 answers:

sp2606 [1]3 years ago

3 0

Answer:

all of above

<h3>please please mark me as a brainliest</h3>

Basile [38]3 years ago

3 0

D. All of the above.
I took the quiz and got it right

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What is the mass of silver chlorate (191.32 g/mol) that decomposes to release 0.466L of oxygen gas at STP? AgC1036) _AgCl). _026

vesna_86 [32]

Answer : The mass of silver chlorate will be 2.654 grams.

Explanation :

The balanced chemical reaction is,

$2AgClO_3\rightarrow 2AgCl+3O_2$

First we have to calculate the moles of oxygen gas at STP.

As, 22.4 L volume of oxygen gas present in 1 mole of oxygen gas

So, 0.466 L volume of oxygen gas present in $\frac{0.466}{22.4}=0.0208$ mole of oxygen gas

Now we have to calculate the moles of silver chlorate.

From the balanced chemical reaction, we conclude that

As, 3 moles of oxygen produced from 2 moles of silver chlorate

So, 0.0208 moles of oxygen produced from $\frac{2}{3}\times 0.0208=0.01387$ moles of silver chlorate

Now we have to calculate the mass of silver chlorate.

$\text{Mass of }AgClO_3=\text{Moles of }AgClO_3\times \text{Molar mass of }AgClO_3$

Molar mass of silver chlorate = 191.32 g/mole

$\text{Mass of }AgClO_3=0.01387mole\times 191.32g/mole=2.654g$

Therefore, the mass of silver chlorate will be 2.654 grams.

3 0

3 years ago

A 10.0 ml portion of 0.010 m hcl is diluted by adding it to100.0 ml of water. what is the ph of the solution

Volgvan

From the calculation, the pH of the solution after dilution is 3.

The pH is the hydrogen ion concentration of the solution. Now we know that;

C1 = 0.010 m

V1 = 10.0 ml

V2 = 10.0 ml + 100.0 ml = 110 ml

C2 = ?

C1V1 = C2V2

C2 = C1V1 /V2

C2 = 0.010 m * 10.0 ml / 110 ml

C2 = 0.00091 M

pH = -log[0.00091 M]

pH = 3

Learn more about pH:brainly.com/question/15289741

#SPJ1

4 0

2 years ago

Ionic bonds are strong; therefore, ionic compounds

Bess [88]

This is not a question
what are you asking

8 0

3 years ago

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The respiratory system should remove which of the following from your body? A. carbon monoxide B. carbon dioxide C. oxygen D. ox

Ulleksa [173]

The answer is carbon dioxide

6 0

3 years ago

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Use the mass and volume data to calculate the density of an unknown metal to the nearest hundredth.

11Alexandr11 [23.1K]

Answer:

8.90

Explanation:

Density = mass ÷ volume

D = 222.50 g ÷ 25.00

= 8.9

The density of the unknown metal is 8.90.

Hope that helps.

8 0

3 years ago

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