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Alik [6]
3 years ago
5

How does science help us protect our nations resources.

Chemistry
2 answers:
Rina8888 [55]3 years ago
5 0
Science has helped us protect our resources because today, scientists have figured out a way to predict the weather and help us prepare for any storms to come.
Helga [31]3 years ago
3 0
By showing what resources the planet had to offer
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3 years ago
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4 years ago
`Suppose you have a sample of NaOH (0.0315 L, to be exact). If this amount of NaOH is used to exactly titrate 0.0250 L of HCl th
yuradex [85]

Answer:

0.0835 M

Explanation:

Step 1: Write the balanced equation

NaOH + HCl ⇒ NaCl + H₂O

Step 2: Calculate the reacting moles of HCl

0.0250 L of 0.105 M HCl react.

0.0250 L × 0.105 mol/L = 2.63 × 10⁻³ mol

Step 3: Calculate the reacting moles of NaOH

The molar ratio of NaOH to HCl is 1:1. The reacting moles of NaOH are 1/1 × 2.63 × 10⁻³ mol = 2.63 × 10⁻³ mol.

Step 4: Calculate the molarity of NaOH

2.63 × 10⁻³ moles of NaOH are in 0.0315 L of solution.

M = 2.63 × 10⁻³ mol / 0.0315 L = 0.0835 M

7 0
3 years ago
How do you identify an acid from its chemical formula​
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