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dmitriy555 [2]
3 years ago
10

Which of these bonds should be classified as ionic?

Chemistry
2 answers:
jolli1 [7]3 years ago
7 0

Answer:

Na-O

Be-S

Explanation:

ionic bonds= metal and non metal

Gelneren [198K]3 years ago
6 0

Answer:

Na-O

Explanation:

i solved it in study island and i got this answer correct

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3 years ago
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Read 2 more answers
A 25.0-mL sample of an H2SO4 solution requires 50.0 mL of 0.150 M NaOH to completely react with the H2SO4. What was the concentr
Nitella [24]
V( H₂SO₄) = 25.0 mL in liters = 25.0 / 1000 = 0.025 L
 M(H₂SO₄) = ?

V(NaOH) = 50.0 mL = 50.0 / 1000 = 0.05 L 
M(NaOH) = 0.150 M

number of moles NaOH :

n = M x V

n = 0.150 x <span> 0.05 
</span>
n = 0.0075 moles of NaOH 

H₂SO₄(aq) + 2 NaOH(aq) = Na₂SO₄(aq) + 2 H₂O(l)

1 mole H₂SO₄ ---------- 2 mole NaOH
? mole H₂SO₄ ---------- 0.0075 moles NaOH

moles = 0.0075 * 1 / 2

= 0.00375 moles of H₂SO₄

M(H₂SO₄) = n / V

M = 0.00375 / <span> 0.025

</span>= 0<span>.15 M
</span>
hope this helps!

8 0
3 years ago
Which of the following substances is a chemical that is made only by<br> chemists?
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