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3 years ago

What is the mass of KNO3 should be used to prepare 2.00 L of a 0.700 M solution?

Chemistry

1 answer:

Dmitry [639]3 years ago

3 0

Answer:

141.4g

Explanation:

Moles= conc. ×vol

m/M = 0.7×2

m/101 = 0.7×2

m= 141.4g

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The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.

Rzqust [24]

Answer:

Order of the cycle:

Step -1>>>>Step -4 >>>> Step -3 >>>>> step -2.

Explanation:

Carbon dioxide is taken in by plants during photosynthesis.

<u>Step -4;</u>

The animal eats a plant and uses its carbohydrates for energy.

The animal releases the carbon dioxide back into the atmosphere during respiration.

The cycle repeats when the carbon stored in the atmosphere as carbon dioxide gas is taken in.

Therefore, order of the cycle is Step -1>>>>Step -4 >>>> Step -3 >>>>> step -2.

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3 years ago

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Shkiper50 [21]

10 is your answer hope it helps you.......... Xd

<h2>Answer : 10 </h2>

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3 years ago

Identify and calculate the number of representative particles in 2.15 moles of gold.<br>

LekaFEV [45]

Answer:

$1.29 * 10^{24}$ particles of gold

Explanation:

To convert the number of moles of any substance, in this case gold, you need Avogadro's number.

Avogadro's number is always $6.022$ × $10^{23}$

$2.15$ moles Au × $\frac{6.022*10^{23} particles}{1 mole Au}$ = $1.29 * 10^{24}$ particles of gold

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3 years ago

What did the experiments of scientists after John Dalton reveal about his

EastWind [94]

A. Dalton's theory that atoms could not be divided was incorrect

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3 years ago

6020000 in scientific notation

kobusy [5.1K]

6.02 x 10^6

Hoped that helped.

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3 years ago