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3 years ago

1) What relationship is needed to perform mole-mass conversion?

Chemistry

2 answers:

likoan [24]3 years ago

8 0

Answer:

$n = \frac{m}{mole mass}$

mixer [17]3 years ago

7 0

Answer:

Explanation:

A substance's molar mass is calculated by multiplying its relative atomic mass by the molar mass constant (1 g/mol). The molar mass constant can be used to convert mass to moles. By multiplying a given mass by the molar mass, the amount of moles of the substance can be calculated.

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Dahasolnce [82]

Answer:

reproduction

Explanation:

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2 years ago

Which of the following compounds are soluble in aqueous solutions? Select ALL that are soluble.

sattari [20]

<h3>Answer:</h3>

K₂S
CaSO₄ (slightly soluble in water)
Pb(ClO₄)₂

<h3>Explanation:</h3>

Mg(OH)₂ and CoCO₃ are insoluble in water.
Solubility rules are used to determine whether a compound will be soluble or not soluble in aqueous form.
K₂S is soluble in aqueous solutions as all salts of Potassium are soluble in water.

Calcium (ii) sulfate is slightly soluble in water.
Hydroxides are insoluble in water except, KOH, NaOH and NH₄OH.and Barium hydroxide. Therefore, Mg(OH)₂ is an insoluble hydroxide.

CoCO₃ is insoluble since carbonates are insoluble except K₂CO₃, Na₂CO₃ and (NH₄)₂CO₃. .

Pb(ClO₄)₂ is soluble because all perchlorates are soluble.

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3 years ago

Which microscope came out first

victus00 [196]

Answer:

compound microscope

Explanation:

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3 years ago

Describe the term molarity as it relates to an acid or base.

algol13

It's essentially another word for concentration, of the acid. e.g. "the molarity of the acid is 3moldm^-3"

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3 years ago

Read 2 more answers

When the equation Fe + Cl2 ----> FeCl3 is correctly balanced the coefficient for Cl2 is

Marysya12 [62]

The correct answer is D. Using the law of conservation of mass the number of atoms on each side of the equation should be equal. Through introspection, we find that there are 2 $Cl$ atoms on reactant side as opposed 3Cl atoms on product side. If we add a coefficient of 3 on $Cl_2$ we get

$Fe + 3Cl_2 ==> FeCl_3$ .

Now there are 6Cl atoms on reactant side and 2 on product side, hence we add a coefficient of 2 on both $FeCl_3$ and $Fe$ . The balanced chemical equation is,

$2Fe + 3Cl_2 ==> 2FeCl_3$

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3 years ago

1) What relationship is needed to perform mole-mass conversion?​

1) What relationship is needed to perform mole-mass conversion?