4 years ago

Are tectonic plate boundaries the only locations where volcanoes can form

1 answer:

Bond [772]4 years ago

6 0

No, volcanoes can form in hot areas and convergent zones.

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inysia [295]

Answer:

Molarity of NaOH solution is 1.009 M

Explanation:

Molar mass of HCl is 36.46 g/mol

Number moles = (mass)/(molar mass)

So, 0.8115 g of HCl = $\frac{0.8115}{36.46}moles$ HCl = 0.02226 moles HCl

1 mol of NaOH neutralizes 1 mol of HCl.

So, if molarity of NaOH solution is S(M) then moles of NaOH required to reach endpoint is $\frac{S\times 22.07}{1000}moles$

So, $\frac{S\times 22.07}{1000}=0.02226$

or, S = 1.009

So, molarity of NaOH solution is 1.009 M

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3 years ago

dusya [7]

M Fe = 55,85g ≈ 56g
m O = 16g
m N = 14g
m Fe(NO3)3 = 56g + 3*14g + 3*3*16g = 242g/mol

answer: (4)

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3 years ago

Zigmanuir [339]

Explanation:

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andrew11 [14]

What are the choices?

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3 years ago

NeX [460]

Answer:

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Explanation:

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3 years ago