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zhuklara [117]
3 years ago
11

Help on math question please (will mark as brainliest)

Chemistry
1 answer:
aliya0001 [1]3 years ago
6 0

Answer:paragrph 2 drought caused by cutting tress impacts earth system with climate change and global. learing land short term breathing for popel.long term affect erosion

Explanation:

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concentrated phosphoric acid is90% H3PO4 by mass and the remaining mass is water. The molarity of H3PO4 is 12.2M at temperature
blondinia [14]

Answer:

82.0 mL

Explanation:

Step 1: Given data

  • Concentration of concentrated acid (C₁): 12.2 M
  • Volume of concentrated acid (V₁): ?
  • Concentration of dilute acid (C₂): 1.00 M
  • Volume of dilute acid (V₂): 1.00 L

Step 2: Calculate the required volume of the concentrated acid

We want to prepare a dilute solution from a concentrated one. We can calculate the volume of the concentrated acid using the dilution rule.

C₁ × V₁ = C₂ × V₂

V₁ = C₂ × V₂ / C₁

V₁ = 1.00 M × 1.00 L / 12.2 M = 0.0820 L = 82.0 mL

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2 years ago
How many moles are represented by 118g of cobalt? Cobalt had an atomic mass of 58.93amu
skad [1K]
N=m/M
n=118/58.93=2
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Thomson discovered the what in his cathode ray experiment?
Leona [35]
He used a magnet to find that the negatively charged particles to be smaller then the atom.
He discovered electrons.
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What is the 7th element on the periodic table?
aniked [119]
Nitrogen

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