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Pani-rosa [81]
3 years ago
5

Create the Equation: How many grams of Aluminum Chloride would be made from 42.7 L of Chlorine gas at STP reacting with 50.0 g o

f Aluminum?
JUST THE ANSWER PLEASE
Chemistry
1 answer:
Natasha_Volkova [10]3 years ago
7 0

Answer:

I not sure i think its 9

Explanation:

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A student prepared a stock solution by dissolving 10.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0
yanalaym [24]

Answer: The concentration of KOH for the final solution is 0.275 M

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 = 150 ml

moles of solute =\frac{\text {given mass}}{\text {molar mass}}=\frac{10.0g}{56g/mol}=0.178moles

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

Molality=\frac{0.178\times 1000}{150}=1.19M

According to the dilution law,

C_1V_1=C_2V_2

where,

C_1 = molarity of stock solution = 1.19 M

V_1 = volume of stock solution = 15.0 ml

C_2 = molarity of diluted solution = ?

V_2 = volume of diluted solution = 65.0 ml

Putting in the values we get:

1.19\times 15.0=M_2\times 65.0

M_1=0.275M

Therefore, the concentration of KOH for the final solution is 0.275 M

5 0
3 years ago
If the total mass of the products of a reaction is 90 gram, what was the total mass of the reactants
Marizza181 [45]
90 grams due to laws of conservation of mass. Output mass = input mass. Mass can never be created or destroyed.

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What are some factors that affect weather?
Zarrin [17]
B is the right answer
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One chemical property that can be measured in a substance is its reactivity with water. What is another chemical property? Densi
emmasim [6.3K]
Solubility in water is another property
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How many atoms of hydrogen are in 170 g of hydrogen peroxide (h2o2)?
Ede4ka [16]

I am pretty sure the answer is 1.5*10^25
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3 years ago
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