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Harlamova29_29 [7]
2 years ago
13

It takes 38mL of 0.75M NaOH solution to completely neutralize 155 mL of a chloric acid solution (HclO3). what is the concentrati

on of the HclO3 solution? Please explain well
Chemistry
1 answer:
Scrat [10]2 years ago
8 0
ITS ABOUT DRIVE
ITS ABOUT POWER
WE STAY HUNGRY
WE DEVOUR
PUT IN THE WORK
PUT IN THE HOURS ⌚
AND TAKE WHATS OURS
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lakkis [162]
I think its A because some scientist from the Department of Physics of Northeastern University found out that is not a part of Dalton's atomic theory.
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3 years ago
A rectangular block of solid carbon (graphite) floats at the interface of two immiscible liquids.
Sergio039 [100]

Explanation:

Let us take the volume of block is x.

Since, the block is floating this means that it is in equilibrium. Formula to calculate net force will be as follows.

                F_{net} = Buoyancy force(F_{b}) - weight force(w)

Also, buoyancy force (F_{b}) = (volume submerged in water × density of water) + (volume in oil × density of oil)

          (F_{b}) = (0.592 V \times \rho) + (1 - 0.592)V \times 1000 g          

                      = (0.592 V \times \rho + 408 V) g

As,   W = V × density of graphite × g

It is given that density of graphite is 2.16 g/cm^{3} or 2160 kg/m^{3}.

So, W = 2160 V g

F_{net} = (0.592 V \rho + 408 V) g - 2160 V g = 0

            0.592 \rho = 1752

     \rho = 2959.46 kg/m^{3} or 2.959 g/cm^{3} is the density of oil.

It is given that mass of flask is 124.8 g.

Mass of 35.3 cm^{3} oil = 35.3 \times 2.959 104.7 g

Hence, in second weighing total mass will be calculated as follows.

                       (124.8 + 104.7) g

                       = 229.27 g

Thus, we can conclude that in the second weighing mass is 229.27 g.

5 0
2 years ago
If 3.75 moles of aluminum react, how many moles of sulfur are needed?
aliya0001 [1]

Answer:(A) 0.70 mol

Explanation:

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3 years ago
Why were they put into water before we tested them?
klasskru [66]

explain the question your asking

7 0
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ValentinkaMS [17]

Answer:

No.

Explanation:

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