3 years ago

71 points Chemistry tritiation please help me

Chemistry

1 answer:

Rudiy273 years ago

3 0

Answer:

Answer in the picture

Explanation:

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The movement of charged particles cannot pass through an electrolyte to produce an electric current.

True

False

FALSE

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Classify each one of the following as pure substances or mixtures:

vova2212 [387]

Please refer to the attachment for a complete classification of your specified matter.

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You have 363 mL of a 1.25M potassium chloride solution, but you need to make a 0.50M potassium chloride solution. How many milli

maxonik [38]

Answer:- 544.5 mL of water need to be added.

Solution:- It is a dilution problem. The equation used for solving this type of problems is:

$M_1V_1=M_2V_2$

where, $M_1$ is initial molarity and $M_2$ is the molarity after dilution. Similarly, $V_1$ is the volume before dilution and $V_2$ is the volume after dilution.

Let's plug in the values in the equation:

$1.25M(363mL)=0.50M(V_2)$

$V_2=\frac{1.25M(363mL)}{0.50M}$

$V_2=907.5mL$

Volume of water added = 907.5mL - 363mL = 544.5 mL

So, 544.5 mL of water are need to be added to the original solution for dilution.

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3 years ago

How many liters are contain 1.75 mol of f2 gas at stp?

Vanyuwa [196]

At STP condition 1 mol of any ideal gas will have a volume of 22.4L

1.75 mol of F2 x 22.4 L / 1 mol = 39.2 L

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3 years ago

if during the interaction of 36.5 g of hydrochloric acid with magnesium 137 kg of joules energy are released, how much energy wo

svetoff [14.1K]

Explanation:

ANSWER

The molarity =

molecularweight

density×purity×10

36.5

1.18×36.5×10

=11.8molar

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3 years ago