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blondinia [14]
3 years ago
10

2 Points

Chemistry
1 answer:
barxatty [35]3 years ago
4 0

Answer:

it's food engineering obviously

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How many moles are there in 87.2 g of zinc fluoride?
Sladkaya [172]

Answer:

what I got was 0.8435160945347224 moles

7 0
2 years ago
The gold foil experiment resulted in two major discoveries which were made about the structure of the atom. what were they
DanielleElmas [232]
It showed that the nucleus is positively charged, and that the atom isn't just made of electrons.
8 0
3 years ago
What is the mole ratio of N2 to H2 to NH3?
Alexeev081 [22]

Answer:

the answer is 1:3:2

Hope this helps, let me know if you need any other help, Stoichiometry is hard

4 0
3 years ago
The empirical formula of a group of compounds is CHCl. Lindane, a powerful insecticide, is a member of this group. The molar mas
Sergeeva-Olga [200]

Answer:

<h2>D) 6</h2>

Explanation:

since,   n = molar mass / empirical formula mass

   Empirical formula mass = Total mass of atoms present in empirical formula

                       CHCl = 12+1+35.5

                                = 48.5

 Given, Molar mass = 290.8 g.

           So,        n = 290.8/48.5

                           = 5.995 , that is approx  6.

        So, Molecular formula = n × Empirical formula

                                           = 6 × CHCl

                                           = C_{6}H_{6}Cl_{6}

       So,   Number of C = 6

3 0
3 years ago
Suppose a solution was too concentrated for an accurate reading with the spectrophotometer. The concentrated solution was dilute
yan [13]
Using the law of <span>dilution:

</span>initial Molarity = 3.5x10⁻⁶ M

<span>Initial volume = 4.00 mL
</span>
final Molarity = ??

final volume = 1.00 mL

Therefore:

Mi x Vi = Mf x Vf

(3.5x10⁻⁶) x 4.00 = Mf x 1.00

1.4x10⁻⁵ = Mf x 1.00

Mf = 1.4x10⁻⁵ / 1.00 = 

 1.4x10⁻⁵ M 


5 0
3 years ago
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