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Anna35 [415]
3 years ago
11

What is a solution in chemistry

Chemistry
1 answer:
Hatshy [7]3 years ago
4 0
Solutions are a type of mixture.

A solution is a homogeneous mixture of particles so small that they cannot be seen and cannot be filtered out.

Definition: Homogeneous mixture looks the same.

I grabbed these from my science notes, hope this helps.
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Wittaler [7]

Answer:

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Explanation:

6 0
2 years ago
How many atoms are present in 34.69 moles of Mg
shusha [124]
<span>Avogadro's number. 

1 mole of any substance, molecule or element is equal to a certain amount of atom. 

6.022 x 10^23 is the Avogradro's constant. 

Magnesium Oxide is a compound. therefore if you have 30.3 g of it (1 mol), it will have the same number of atoms. 

34.69 moles of MgO has 208.9 x 10^23 number of atoms. 

2.089 x 10^25 is also a correct answer.</span><span>
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7 0
3 years ago
Can anyone help explain how to convert moles to grams and grams to moles im completely lost
Pepsi [2]
Simple dimensional analysis.

okay so youll need a periodic table to look up the molar mass. youll be given either an amount of grams or moles.

7 0
3 years ago
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nika2105 [10]
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8 0
3 years ago
Read 2 more answers
what is the molecular formula for a compound with the empirical formula: K2SO4 and a molecular mass of 696g​
LekaFEV [45]

Answer:

K8S4O16 or K8(SO4)4 depending on if the SO4 is supposed to represent sulfate or not

Explanation:

Find the molar mass of K2SO4 first:

2K + S + 4O ≈ 174 g/mol

Divide the goal molar mass of 696 by the molar mass of the empirical formula:

696 / 174 = 4

This means you need to multiply everything in the empirical formula by 4:

K2SO4 --> K8S4O16 or K8(SO4)4 depending on if the SO4 is for sulfate or not

4 0
2 years ago
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