2 years ago

Scientific Method Vocabulary To notice similarities or differences

1 answer:

8 0

Answer:

The first step would be searching for your scientific vocabulary the second step is to write it down and then that would be your answer.

Explanation:

Hope this helps!

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Answer:

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Explanation:

a. To get the moles multiply the volume by the molarity.

.5L*.25M=.125mol NaCl

b. The molar mass is provided so multiply the moles by the molar mass to get the amount of grams of nacl.

.125mol*58molar mass=7.25g nacl to make the solution

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How many grams are in 2.5 moles of Carbon

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According to the periodic table, carbon's molar mass is 12.011 grams per mole (that's the small number under the element). So, just multiply like this to get the answer:

$(2.5\ mol\ C)(\frac{grams\ C}{12.011\ mol\ C})=0.20814\ g\ C$

So, there are approximately 0.208 grams in 2.5 moles of carbon.

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Aluminum contains 13 protons

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