<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
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:
Therefore, the number will appear to become smaller (from 5800 mL to 5.8 L).
I hope it helps you!
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.
0.000345 in scientific notation is 3.45*10^-4
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.
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