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3 years ago

Question 5(Multiple Choice Worth 3 points)

Chemistry

1 answer:

Travka [436]3 years ago

8 0

Answer: B. Stay the same

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How many liters of a 3 M NaOH stock solution would you need to make 552 mL of a 105 mM NaOH dilution

Ganezh [65]

Answer:

0.01932 L

Explanation:

First we convert 105 mM to M:

105 mM / 1000 = 0.105 M

Next we convert 552 mL to L:

552 mL / 1000 = 0.552 L

Then we use the following equation:

C₁V₁=C₂V₂

Where:

C₁ = 3 M

V₁ = ?

C₂ = 0.105 M

V₂ = 0.552 L

We input the given data:

3 M * V₁ = 0.105 M * 0.552 L

And solve for V₁:

V₁ = 0.01932 L

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2 years ago

why can you find different features at an oceanic-continental convergent zone than those found at a continental-continental conv

arlik [135]

Continental plates are much thicker that Oceanic plates. At the convergent boundaries the continental plates are pushed upward and gain thickness. The rocks and geological layers are much older on continental plates than in the oceanic plates. The Continental plates are much less dense than the Oceanic plates.

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1 year ago

Draw the major byproduct of the reaction (not the minor species discussed in q2b). At which stage did you remove it from your sa

givi [52]

You need to do something like that your self so sorry can help.

3 0

2 years ago

How many mol of phosphorus are obtained if 74.85 mol of carbon is used

mixer [17]

Answer:

34.73

Explanation:

6 0

2 years ago

Calculate the mass (in grams) of 8.56 moles of sulfur.

oksano4ka [1.4K]

Answer:

275g

Explanation:

Depending on the molar mass you are given, you can use that to solve this.

(I'm going based on my science class' molar mass of sulphur being 32.07g/mol)

Starting off, the formula for finding moles is

n=m/M (moles = mass / molar mass)

We can manipulate this equation to solve for mass.

m=Mn

now fill in what we now.

m = 32.07*8.56

mass = 274.5192

Now round for significant digits (if you are needed to do)

mass = 275g

5 0

2 years ago