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barxatty [35]
3 years ago
11

Help me please i need it for homework i cant seen to solve the answer :((

Chemistry
1 answer:
strojnjashka [21]3 years ago
7 0
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Type the correct answer in the box. a pharmacist works with a 1.75 m solution of sodium bromide (nabr) and water. the volume of
Elodia [21]

Answer: 147 mL

Explanation:

<u>Given:</u>

Molarity of the sodium bromide (NaBr) solution (M1)  = 1.75 M

Volume of the solution (V1) = 84 mL

Molarity of the diluted NaBr solution (M2) = 1 M

Using the dilution formula to solve for V2:

\begin{gathered}M_{1} V_{1}=M_{2} V_{2} \\V_{2}=(1.75 \mathrm{M} \times 84 \mathrm{~mL}) / 1 \mathrm{M} \\V_{2}=147 \mathrm{~mL}\end{gathered}

Therefore, the new volume of the solution is 147 mL

8 0
2 years ago
Suppose that 2.14 grams of H2SO4 is mixed with enough water to make 225 mL of solution. Determine the Molarity (M) of the soluti
Alik [6]

Answer:

0.0970 M

Explanation:

Remember this equation:

mol/M x V

Convert it so that you can get M.

M=mol/V

Convert the 2.14 grams of H2SO4 into mols

=0.0218

Convert mL to L

225/1000

=0.225

Plug it in.

0.0218/0.225

=0.0970 M

6 0
3 years ago
Which best describes the bond that would form between lithium (Li) and fluorine (F)?
allsm [11]
Lithium is a metal and Fluorine is a non-metal, which means they will form an ionic bond. An ionic bond is when a metal atom donates its electron complete to a non-metal atom.
5 0
3 years ago
What are the properties of the aluminum in the can
arlik [135]
Solid, malleable, and can be crushed
3 0
4 years ago
Off the top of your head (Mini Quiz) <br><br>What is the chemical composition of Mercury (the metal)
DIA [1.3K]

Symbol: Hg

Made of  hydrargyrum

Atomic number: 80

Atomic weight: 200.59

Poor conductor if heat and an ok conductor for electricity. Primarily used for many industrial applications and its salts have been employed therapeutically as purgatives, antisyphilitics, disinfectants, and astringents.


Hope it helps!


4 0
3 years ago
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