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madreJ [45]
3 years ago
9

What is the concentration in moles per litre of:

Chemistry
1 answer:
Bumek [7]3 years ago
6 0

Answer:

the concentration in moles per litre of is

Explanation:

Molarity

mark me as a a brainlist answer

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Calculate freeze 62.9 g of iron at 1535oC<br> Hf (J/g)=257
Inessa [10]

Answer:

<u>-16200J</u>

Explanation:

(257J/g)(62.9g)

eliminate the variables

u get 16165.3

go to 3 significant digits

u get 16200

and since it is freezing we are taking out energy so it would be

-16200J

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According to Dalton, if 2 grams of element X combine with 4 grams of element Y to form compound XY, how many grams of element X
adell [148]
The ratio of reactant in grams would be influenced by the reaction equation and the molar mass of the elements. But the ratio of a reactant needed in grams would be same for a reaction.
If 2 grams of element X combine with 4 grams of element Y to form compound XY, it means the ratio of reactant in grams<span> would be 2:4 or 1:2

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When neurotransmitter is released into the synaptic cleft, it is taken up by the post-synaptic neuron.
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Explanation:

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What does the atomic weight of an element represent
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