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Sati [7]
2 years ago
12

Giving brain thing.

Chemistry
1 answer:
Over [174]2 years ago
7 0
I think the correct answer is C
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If a scientist knows the relative age of a fossil, he can also know
Rasek [7]
C I think is the right answer
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How to identify coplanar molecule?
lozanna [386]
See if the carbon atoms are SP2 or Sp they the coplanirty is more and if its Sp3 hybridization it cant be in coplanar as Sp3 is having Td shape where as sp2 and sp are not :)
7 0
3 years ago
• What policies might people put in place to conserve water levels in lakes and aquifers?
vladimir2022 [97]

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7 0
3 years ago
What would you need to do to calculate the molality of 10 g of NaCl in 2 kg of
jasenka [17]

Answer:

O B. Convert the 10 g of NaCl to moles of NaCl.

Explanation:

The formula for finding the molality is m=moles of solute/kg of solvent. The solute for this question is NaCl and the solvent is water.

(10g NaCl)(1 mol NaCl/58.44g NaCl)=0.1711 mol NaCl

58.44 is the molar mass of NaCl

m=0.1711 mol NaCl/2 kg H2O

m=0.085557837

7 0
3 years ago
Would isotopes of the same element have the same number of electrons?
posledela
No, isotopes would have a different number of electrons
8 0
3 years ago
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