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wlad13 [49]
3 years ago
6

The person who follows me first will be marked branliset and will be followed by me​

Chemistry
2 answers:
grandymaker [24]3 years ago
8 0
I follow you
Hi what’s up
nikitadnepr [17]3 years ago
5 0

Answer:

sorry

Explanation:

ya no thanks

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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
Melissa's mother was making chocolate chip cookies, but told Melissa that she shouldn't eat the raw cookie dough. Why is it unsa
sashaice [31]
the answer to the question is D
4 0
3 years ago
What do helium (He), neon (Ne), and argon (Ar) have in common?
IrinaK [193]

Answer:

The answer is: D

Explanation:

A. They have the same number of electron energy shells.  Is false, all the elements are in different periods so, they have different number of lectron energy shells.

B. They are all Halogens.  No, is wrong, halogens are F, Cl ,Br

C. They have the same number of electrons.  is wrong, if they had the same number of electrons they must be they same element and they aren't the same.

D. They are all Noble gases. Yes, it's true they are noble gases, they are the first group in the periodic table from the right.

6 0
3 years ago
Read 2 more answers
What rusts a nail faster, coke,viniger, or water
Darina [25.2K]
Water, <span>rusts a nail faster</span>
7 0
3 years ago
Write a balanced equation for the reaction between nitric acid and lithium carbonate .
love history [14]
Li2CO3 + 2HNO3 ----> 2LiNO3 + H2O + CO2
7 0
3 years ago
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