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9966 [12]
3 years ago
14

Convert 0.0000000166 mm to scientific notation?

Chemistry
1 answer:
Elan Coil [88]3 years ago
5 0

Answer:

0.0000000166 mm = 16.6×10^-9 mm

This will be the scientific notation.

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When 25.0 mL of sulfuric acid solution was completely neutralized in a titration with 0.05 M NaOH solution, it took 18.3 mL of t
ladessa [460]
Balanced equation will be as follows

2NaOH + H2SO4=Na2SO4 + 2H2O
from MaVa/MbVb=Na/Nb    where Ma is molarity of acid=?
                                                   Va is volume of acid=25.0 mL
                                                   Mb is molarity of base= 0.05 M
                                                   Vb is volume of base=18.3 mL
                                                    Nb number of moles of base= 2
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Ma*25 mL / 18.3mL*0.05M = 1/2
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The molarity of sulphuric acid = 0.0183M

8 0
3 years ago
What is the osmolarity of a 0.20 M solution of KCI?
Zanzabum

Answer:

Osmolarity of solution of KCI = 0.40 osmol

Explanation:

Given:

KCL ⇒ K⁺ + Cl⁻

Find:

Osmolarity of solution of KCI

When M = 0.20 M

Computation:

1 mole of KCL = 2 osmol

1 M of KCl = 2 Osmolarity

So,

Osmolarity of solution of KCI = 2 × 0.20

Osmolarity of solution of KCI = 0.40 osmol

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The element is magnesium
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Not all atoms follow the octet rule and there are many exceptions and variations.
8 0
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What type of hydrocarbon is CH3-CH2-O-CH2-CH3?<br><br> Is it a diethyl ether?
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You are correct! this molecule is an ether, specifically diethyl ether.
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