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3 years ago

14

Help! science what usually has the greasiest density 1. plasma 2. liquid 3. gas 4. solid

2 answers:

aleksandrvk [35]3 years ago

4 0

Answer:soild

Explanation:

nydimaria [60]3 years ago

4 0

Answer:

I think that it is a solid that has the greatest density

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If 3.89 × 1024 atoms of a noble gas is collected and it has a mass of of 848 grams, this element is most likely a. He b. Ne c. A

bearhunter [10]

Answer:

Xenon

Explanation:

Avogadro’s number represent the number of the constituent particles which are present in one mole of the substance. It is named after scientist Amedeo Avogadro and is denoted by $N_0$ .

Avogadro constant:-

$N_a=6.023\times 10^{23}$

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So,

$6.023\times 10^{23}$ atoms have a mass of x g

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$3.89\times 10^{24}$ atoms have a mass of $\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}$ g

This mass is equal to 848 g

So,

$\frac{x}{6.023\times 10^{23}}\times 3.89\times 10^{24}=848$

x= 131.3 g/mol

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3 years ago

Determine the mass, in grams, of 0.350 moles of s (1 mol of s has a mass of 32.07 g).

hram777 [196]

Answer:

11.22 gm

Explanation:

32.07 gm / mole * .350 mole = 11.22 gm

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2 years ago