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lbvjy [14]
3 years ago
14

I need the answer fast plzzz!! NO LINKS

Chemistry
1 answer:
Arturiano [62]3 years ago
4 0

Answer:

your answer is 12 hope it's correct answer

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A 25.5 ml aliquot of HCl of unknown concentration was titrared with .113 M NaOH. It took 51.2 ml of the base to reach the endpoi
olga nikolaevna [1]
<h3><u>Answer;</u></h3>

0.227 M

<h3><u>Explanation;</u></h3>

Volume of HCl = 25.5 mL or 25.5 / 1000 => 0.0255 L

Molarity or concentration of NaOH  = 0.113 M

Volume of NaOH  = 51.2 mL / 1000 = 0.0512 L

Number of moles NaOH:

Moles = Molarity x Volume

            = 0.113 x  0.0512

            = 0.0057856 moles of NaOH

From the equation we can obtain the mole ratio:

HCl + NaOH = NaCl + H2O

1 mole HCl : 1 mole NaOH

Therefore;

Moles of  HCl : 0.0057856 moles NaOH

Hence; moles of HCl  =  0.0057856 x 1 / 1

                                    =  0.0057856 moles of HCl

Molarity of  HCl = moles of HCL / Volume of HCl

                         M =  0.0057856 / 0.0255

                              = 0.227 M

4 0
4 years ago
If a liquid has a volume of 5800 mL and you need the mass in Liters, will the number appear to
Natali [406]

Answer:

The number will appear to become smaller (from 5800 mL to 5.8 L).

Explanation:

The conversion of milliliters to liters is the following:

1 L = 1000 mL

Hence, the volume of 5800 mL to L is:

V = 5800 mL*\frac{1 L}{1000 mL} = 5.8 L      

Therefore, the number will appear to become smaller (from 5800 mL to 5.8 L).

I hope it helps you!

6 0
4 years ago
Can someone help me with this table thank u!
In-s [12.5K]
Krypton: Non-metal, inert gas
Zirconium:Metal, Transittion metal
Magnesium: Metal, Alkaline Earth metal
Chlorine: non-metal, halogen
Arsenic: semi-metal a.k.a metaloid
Helium: non-metal, inert gas
Oxygen: non metal
Copper: metal, transition metal
Silicon: non metal, metaloid
Aluminium: Metal, post-transition metal
Hope that helps.
5 0
4 years ago
What is 0.000345 expressed in scientific notation?
Viktor [21]
0.000345 in scientific notation is 3.45*10^-4
8 0
3 years ago
Read 2 more answers
Lakes can disappear due to?
stich3 [128]

Answer:

Lakes can vanish due to natural processes and human activity. Bacteria break down lake species' bodies and release nutrients into the water when they die. Eutrophication is the accumulation of nutrients in a lake over time. Lakes and rivers all throughout the world have dried up as a result of rising water demand and a warmer environment. Overpumping of aquifers and excessive diversion of water from rivers.

༼つ ◕_◕ ༽つ  Gimme brainliest

Please

6 0
2 years ago
Read 2 more answers
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