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aleksandrvk [35]
3 years ago
11

Two copper electrodes dipped in copper sulphate solution are connected to the end of the battery marked with a ''_'' is:

Chemistry
2 answers:
guajiro [1.7K]3 years ago
8 0

Answer:

d) catión

Explanation:

Rom4ik [11]3 years ago
5 0
It’s d I’m pretty sure ! Have a nice day
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Place where food is stored and partially digested
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How can you obtain hydrogen from a mixture of ethene, hydrogen and ammonia gases?​
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Which of the following hypotheses cannot be tested using the scientific method
Arturiano [62]
I believe it's answer #3. Logically, at least.

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if 0.3 moles of carbon reacts completely with 0.3 moles of molecular oxygen, what is the yield in Percent of 6.6 g of CO2 are fo
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Answer is:<span>the yield is 50%.
</span>
Chemical reaction: C + O₂ → CO₂.
n(C) = 0.3 mol; amount of substance.
n(O₂) = 0.3 mol.
From chemical reaction: n(C) : n(CO₂) = 1 : 1.
n(CO₂) = 0.3 mol.
M(CO₂) = 44 g/mol; molar mass of caron(IV) oxide.
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m(CO₂) =0.3 mol · 44 g/mol.
m(CO₂) = 13.2 g; mass of carbon(IV) oxide.
the yield = 6.6 g ÷ 13.2 g · 100%.
the yield = 50%.
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