Which word is best used as a synonym for scientific conclusions?

Chemistry

1 answer:

Anit [1.1K]3 years ago

5 0

Answer:

Explanation:

Not C or D becuase it is data would not show a conclusion and observations does show the conclsuion of the scientists. Not A becuase explanation does not mean they have data to support their conclusion. Therefore, it would be B becuase results show what was the effect of something and is often supported with data

Hope that helped :)

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How many moles of Chromium is in 4.41 ×10^24 atoms

zalisa [80]

7.32 moles of Chromium is present in 4.41 × 10²⁴ atoms.

<h3>How to find the number of moles ?</h3>

Number of moles = $\frac{\text{Given number of atoms}}{\text{Avogadro's Number}}$

<h3>What is Avogadro's Number ?</h3>

Avogadro's number is the number of particles in one mole of substance. 6.022 × 10²³ is known as Avogadro's Constant / Avogadro's Number.

Avogadro's Number = 6.022 × 10²³

Now put the values in above formula we get

Number of moles = $\frac{\text{Given number of atoms}}{\text{Avogadro's Number}}$

= $\frac{4.41 \times 10^{24}}{6.022 \times 10^{23}}$

= 7.32 moles

Thus from the above conclusion we can say that 7.32 moles of Chromium is present in 4.41 × 10²⁴ atoms.

Learn more about the Avogadro's Number here: brainly.com/question/1581342

#SPJ1

3 0

2 years ago

100g of Ca3(po4)is how many moles

jolli1 [7]

Answer:

0.322 mol.

Explanation:

Hello there!

In this case, because we can understand the mole as the amount of substance of any species, we can say that one mole of any compounds equal the molar mass of the considered compound, it means that 1 mole of calcium phosphate has a mass of 310.18 g and therefore, the moles in 100 g of this salt turns out to be:

$100g*\frac{1mol}{310.18g}\\\\0.322mol$