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RideAnS [48]
3 years ago
13

Percent yield ? how do i do this

Chemistry
1 answer:
Naddik [55]3 years ago
4 0

Answer:Is this from the stochiometry unit?

Explanation:

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Nikolay [14]
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using avogadro’s law
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3 years ago
Which statement is most likely correct about the average temperatures in San Francisco, California as compared to Norfolk, Virgi
Lynna [10]

Answer:

It is higher in Norfolk because of the warm ocean currents from the south

Explanation:

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7 0
3 years ago
Gamma radiation is electromagnetic energy<br> True or false
AfilCa [17]

Hey there! :D

This is a true statement. Gamma radiation comes from electromagnetic energy from radioactive decay. This decay has the shortest electromagnetic wave lengths and therefore has the highest photon energy. It is extremely dangerous. Radiation in general is something to be cautious of!

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5 0
3 years ago
Read 2 more answers
5. 16.3 g of NaCl is dissolved in water to make 1.75 L of solution. What is the molarity of this solution? A 0.159 M B 0.278 M C
ira [324]

Answer: The molarity of this solution is 0.159 M.

Explanation:

Given: Mass of solute = 16.3 g

Volume = 1.75 L

Number of moles is defined as the mass of substance divided by its molar mass.

Hence, moles of NaCl (molar mass = 58.44 g/mol) ar calculated as follows.

Moles = \frac{mass}{molar mass}\\= \frac{16.3 g}{58.44 g/mol}\\= 0.278 mol

Molarity is the number of moles of a substance present in a liter of solution.

So, molarity of the given solution is calculated as follows.

Molarity = \frac{no. of moles}{Volume (in L)}\\= \frac{0.278 mol}{1.75}\\= 0.159 M

Thus, we can conclude that the molarity of this solution is 0.159 M.

5 0
3 years ago
Calculate the grams of ethane present in a sample containing 0.8286 moles if the molar mass of ethane is 30.067 g/mol.
BlackZzzverrR [31]
N = m/M

Where,

n = number of moles

m = mass of substance

M = molar mass of substance

0.8286 = m / 30.067

Multiply both sides by 30.067

m = 24.9135162g




5 0
3 years ago
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