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Arlecino [84]
3 years ago
10

Explain why the molar ratio is needed to determine the theoretical mass ratios.

Chemistry
1 answer:
choli [55]3 years ago
3 0

Answer:

The overview of the subject is outlined underneath in the summary tab.

Explanation:

  • The molar ratio seems to be essentially a balanced chemical equilibrium coefficient that implies or serves as a conversion factor for the product-related reactants.
  • This ratio just says the reactant proportion which reacts, but not the exact quantity of the reacting product. Consequently, the molar ratio should only be used to provide theoretical instead of just a definite mass ratio.

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What volume measured in stp will 3.75 grams of helium gas occupy?
Andre45 [30]
Molar mass  helium gas :

He = 4.0 g/mol

number of moles:  3.75 / 4.0 => 0.9375 moles

1 mole ------ 22.4 ( at STP)
0.9375 ------ ?

volume = 0.9375 x 22.4 / 1

Volume = 21 / 1

Volume = 21 L

hope this helps!

6 0
3 years ago
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denpristay [2]

Explanation:

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For example, wind, hydroelectric energy, geothermal etc.

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For example, coal, petroleum etc are all non-renewable resources.

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7 0
3 years ago
A certain redox reaction takes place in a basic solution . which species must you include to balance the equation for this react
Arte-miy333 [17]
OH




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3 0
3 years ago
Read 2 more answers
A water sample has a pH of 8.2 and a bicarbonate concentration of 97 mg/L. What is the alkalinity of the sample in moles/L and i
goldfiish [28.3K]

Answer:6.94

Explanation:

Molar mass of CaCO3=40+12+16×3

=40+12+48=100g/mol

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=97mg/100g=0.097/100=0.00097moles/L.

PH=-log[CaCo3]=-log(0.00097)=6.94

P.s it's log to base e

3 0
3 years ago
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Nataly_w [17]
There are 12<span> protons and </span>10<span> electrons in a </span><span>Mg<span>2+</span></span><span> ion, the normal amount of neutrons is </span>12<span>.</span>
3 0
3 years ago
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