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erma4kov [3.2K]
3 years ago
6

A solid element or compound that is found in nature

Chemistry
1 answer:
inn [45]3 years ago
7 0
Salt, because from the ocean there can be salt depoists. Dimonds are tons of carbon atom under high pressure so that can count.
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Hey there!:

Isotopes :                          abundance :

46 Ti                                       8.0%

47 Ti                                        7.8 %

48 Ti                                      73.4 %

49 Ti                                       5.5 %

50 Ti                                         5.3 %

Weighted average =   ∑ Wa * % / 100

Therefore:

( 46 * 8.0) + (47 * 7.8 ) + (48 * 73.4 ) + ( 49 * 5.5 ) + ( 50*5.3 ) / 100 =

4792.3 / 100

= 47.923 a.m.u


       Hope that helps!

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3 years ago
what is the best course of action if solid material remains in the flask after the heating step of recrystallization
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Answer:

filter the hot mixture.

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Solid is stayed undissolved since the arrangement is gotten super saturated. On the off chance that solid molecule is available recrysallization won't happen in this way we need expel the solid molecule by filtarion in hot condition itself . Subsequently, arrangement become totally homogenous and recrysallization item will shaped by moderate cooling

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