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Evgen [1.6K]
3 years ago
13

Which unit is used for measuring atomic mass?

Chemistry
1 answer:
Sergio [31]3 years ago
7 0
Atomic mass unit is the answer

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Convert 19.2 moles to kL ??
noname [10]

Answer:

30.8994048km

Explanation:

19.2 mi * 1.609344 km/1mi = 30.8994048 km

A common question isHow many mile in 19.2 kilometer?And the answer is 11.930326891 mi in 19.2 km. Likewise the question how many kilometer in 19.2 mile has the answer of 30.8994048 km in 19.2 mi.

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Which subatomic particle is electrically neutral and found in the nucleus of an atom?
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The neutron is electrically neutral.
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How many atoms of potassium, K, are in K3PO4
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1

Explanation:

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The electron cloud keeps the surronds the atom like abubble and the orbit is what the  electrons go around

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3 years ago
A solution of is found to have 37% transmittance at 447 nm. If the molar absorption coefficient (ε) is 4400 at 477 nm, what is t
inn [45]

Answer:

The concentration of the solution is 1.068×10⁻⁴M

Explanation:

Hello,

To find the concentration of the solution, we'll have to use Beer-Lambert law which states absorption is directly proportional to the concentration of the solution.

Beer-Lambert law = A = εCL

A = absorption = 2 - log₁₀%T = 2 - log₁₀(34)

A = 2 - 1.5314 = 0.47

A = 0.47

ε = molar absorption coefficient = 4400

C = concentration of the solution

L = path length = 1cm

A = εcl

C = A / εl

C = 0.47 / 4400 × 1

C = 1.068×10⁻⁴M

The concentration of the solution is 1.068×10⁻⁴M

3 0
4 years ago
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