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3 years ago

9

Smoking till my eyes roll back like the omen lyrics.

1 answer:

Bas_tet [7]3 years ago

5 0

Ummm :) ok that’s cool step-by-step explanation

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A chemist prepares a solution of barium acetate by measuring out of barium acetate into a volumetric flask and filling the flask

leonid [27]

The given question is incomplete. The complete question is :

A chemist prepares a solution of barium acetate by measuring out 32 g of barium acetate into a 350 ml volumetric flask and filling the flask to the mark with water. Calculate the concentration in of the chemist's barium acetate solution. Round your answer to significant digits.

Answer: The concentration of barium acetate solution is 0.375 mol/L

Explanation:

Molarity of a solution is defined as the number of moles of solute dissolved per liter of the solution.

$Molarity=\frac{n\times 1000}{V_s}$

where,

n = moles of solute

$V_s$ = volume of solution in ml

moles of $Ba(CH_3COO)_2$ = $\frac{\text {given mass}}{\text {Molar mass}}=\frac{32g}{255g/mol}=0.125mol$

Now put all the given values in the formula of molality, we get

$Molarity=\frac{0.125\times 1000}{350ml}$

$Molarity=0.357M$

Therefore, the concentration of solution is 0.375 mol/L

8 0

3 years ago

Write the formula for potassium nitride? <br> (show work)<br> CAN SOMEONE PLEASE HELP?

ohaa [14]

Answer:

It should b KNO3

Explanation:

one Potassium (K) and three Nitrite (NO3)

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3 years ago

Thermal energy will flow from the person to the desk

Leto [7]

Answer:

yes

Explanation:

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2 years ago

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A chemical reaction has reached equilibrium when ________. all products have been removed from the reaction mixture the catalyst

soldier1979 [14.2K]

rate of forward reaction

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andrezito [222]

Explanation:

The first four-legged animals to reach land were classified as tetrapods the term tetra means four. So tetrapods refer to animals with four limbs.
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4 years ago

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