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alisha [4.7K]
3 years ago
8

How many grams are needed to obtain 1.5 moles of mgco3?

Chemistry
2 answers:
Oduvanchick [21]3 years ago
8 0
Molar mass MgCO3 => 84.31 g/mol

1 mole MgCO3 ----------- 84.31 g
1.5 moles MgCO3-------- ??

1.5 x 84.31 / 1 => 126.465 g
s344n2d4d5 [400]3 years ago
3 0

126 g

Explanation:

A mole of a substance is the ratio of the mass of the substance to its molar mass.  

Molar mass of a molecule is the sum of the atomic mass of the individual elements.  

Molar mass of MgCO₃ = 24 + 12 + (16 x 3) = 84 g/mol  

Given,  

Moles = 1.5  

Moles = mass / molar mass  

Mass = moles x molar mass = 1.5 mol x 84 g/mol = 126 g  

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4 years ago
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How many moles are in 33 grams of Boron (B)?
azamat

Answer:

2.77495 moles

Explanation:

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7 0
2 years ago
2S+3O2=2SO3. If 4moles of sulfur reacts with 9. 5 moles of oxygen, how many moles of oxygen would remain after the reaction?
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7 0
3 years ago
What mass of aluminum (in g) would be
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<h3>Further explanation</h3>

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5 0
3 years ago
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