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Crazy boy [7]
3 years ago
11

Using a graduated cylinder, fill a 600 mL beaker with 100 mL of water.

Chemistry
2 answers:
kirza4 [7]3 years ago
6 0

Answer:

Temperature of water : 3

Reaction time : 138.5

fomenos3 years ago
5 0

Answer:

Temperature of water: 3

Reaction time: 138.5

Explanation:

Your welcome

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How many grams of CaF2 are present in 1.25 L of a 0.15 M solution of CaF2? How do I find the grams I am confused on that part?
dybincka [34]

Answer:

Mass = 14.64 g

Explanation:

Given data:

Volume of solution = 1.25 L

Molarity of Solution = 0.15 M

Mass of CaF₂ = ?

Solution:

Molarity is used to describe the concentration of solution. It tells how many moles are dissolve in per litter of solution.

Formula:

Molarity = number of moles of solute / L of solution

We will calculate the number of moles of CaF₂ and then determine the mass by using number of moles.

0.15 M =  number of moles of solute / 1.25 L

number of moles of solute = 0.15 M ×  1.25 L

number of moles of solute = 0.1875 mol/L × L

number of moles of solute = 0.1875 mol

Mass in gram:

Mass = number of moles × molar mass

Mass = 0.1875 mol ×78.07 g/mol

Mass = 14.64 g

7 0
3 years ago
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Phase change involves changing states of matter (solid-liquid-gas). How do these three states of matter differ from each other?
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solid : the molecules are tightly packed

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4 0
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What is the formula of the salt produced by this reaction?
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no, yes, no, yes, yes

Explanation:

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