3 years ago

The oceanic crust is made primarily from this type of rock. A) basalt B) halite C) granite D) limestone

1 answer:

7 0

The answer is A. Basalt rock.

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Rina8888 [55]

Answer:

2.55 moles

Explanation:

Please see the step-by-step solution in the picture attached below.

Hope this answer can help you. Have a nice day!

7 0

3 years ago

Pani-rosa [81]

2.6 M hBr

This would be the correct answer.

3 0

3 years ago

KonstantinChe [14]

Answer: There are 0.5 grams of barium sulfate are present in 250 of 2.0 M $BaSO_{4}$ solution.

Explanation:

Given: Molarity of solution = 2.0 M

Volume of solution = 250 mL

Convert mL int L as follows.

$1 mL = 0.001 L\\250 mL = 250 mL \times \frac{0.001 L}{1 mL}\\= 0.25 L$

Molarity is the number of moles of solute present in liter of solution. Hence, molarity of the given $BaSO_{4}$ solution is as follows.

$Molarity = \frac{mass}{Volume (in L)}\\2.0 M = \frac{mass}{0.25 L}\\mass = 0.5 g$

Thus, we can conclude that there are 0.5 grams of barium sulfate are present in 250 of 2.0 M $BaSO_{4}$ solution.

7 0

3 years ago

Harman [31]

Bromine (Br) is the only element listed that is a diatomic element. I believe that Bromine is going to be your answer.

5 0

3 years ago

jeka94

At STP, copper (Cu) would be the only substance here that will exist in the solid state.

4 0

2 years ago