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3 years ago

In a cup of hot chocolate, what is the solvent? What is the solute? What is the solution?

2 answers:

3 0

Solvent: The solvent would be the milk (or water, depending on what you used)
Solute: Chocolate powder
Solution: The hot chocolate itself, since a solution is a homogeneous mixture, in which two or more substances are used

*Forgive me if I am wrong >////<

Hope I helped! <3

Amanda [17]3 years ago

3 0

Answer:

Solute : Chocolate

Solvent : Milk

Explanation:

Solute - Substance dissolved in the solvent.

Solvent - The substance in which the solute is dissolved.

Since the Chocolate is dissolved in milk, Chocolate is solute and milk is the solvent.

Imagine that there is a cup of milk and you add chocolate to make chocolate milk. Something you add to solvent is solute.

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An ecologist is studying ecosystems in the rainforest biome. Which of the following is an

Ostrovityanka [42]

Answer: any non-living thing

Explanation: abiotic means non-living

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3 years ago

2. Calculate the mass of 3.47x1023 gold atoms.

lapo4ka [179]

3.47 x $10^{23}$ atoms of gold have mass of 113.44 grams.

Explanation:

Data given:

number of atoms of gold = 3.47 x $10^{23}$

mass of the gold in given number of atoms = ?

atomic mass of gold =196.96 grams/mole

Avagadro's number = 6.022 X $10^{23}$

from the relation,

1 mole of element contains 6.022 x $10^{23}$ atoms.

so no of moles of gold given = $\frac{3.47 X 10^{23} }{6.022 X 10^{23} }$

0.57 moles of gold.

from the relation:

number of moles = $\frac{mass}{atomic mass of 1 mole}$

rearranging the equation,

mass = number of moles x atomic mass

mass = 0.57 x 196.96

mass = 113.44 grams

thus, 3.47 x $10^{23}$ atoms of gold have mass of 113.44 grams

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3 years ago

Which group, metals or nonmetals, has the greatest chance to gain electrons and to become negative ions?

tatyana61 [14]

It would be non-metals

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3 years ago

A 0.55 g sample of H20 contains how many molecules of water? Answer in units of molec.

noname [10]

Answer:

Explanation:

Num of molecules = num of moles * Avogadro's constant (6.02* 10^23)

But num of moles = reacting mass / molar mass

Molar mass of H20= 2*1 + 16 = 2+16 = 18g

Reacting mass of H20 = 0.55g

Therefore, num of moles of H20 = 0.55g/18g = 0.031 moles

Therefore, num of molecules of H20 = 0.031 * 6.02*10^23

= 1.87*10^22 molecules of H20

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3 years ago

12. help idk what to do at this point , I have notes and study till 3am , I still need help

GaryK [48]

I’m not good at this but I’m guessing it’ll be the first one!

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3 years ago

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