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Dvinal [7]
3 years ago
8

Which statement correctly describes a characteristic that a scientific measuring toll should have?

Chemistry
1 answer:
Gwar [14]3 years ago
6 0

Answer:

Explanation:

To be accurate, it must be able to make measurements that are close to the actual value.

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19) What is the molarity of a KOH solution if 200 ml of the solution contains 0.6 moles KOH?
zloy xaker [14]

Answer: 3M

Explanation: Molarity : It is defined as the number of moles of solute present in one liter of solution.

Formula used :

Molarity=\frac{n\times 1000}{V_s}

where,

n = moles of solute KOH = 0.6 moles

V_s = volume of solution in ml= 200 ml

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

Molarity=\frac{0.6moles\times 1000}{200ml}=3mole/L

Therefore, the molarity of solution will be 3M.

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3 years ago
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A small 19 kilogram canoe is floating downriver at a speed of 5 m/s. What is the canoe's kinetic energy?
Oksanka [162]

the kinetic energy is the same as the canoes weight times its speed times the force of gravity.

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Calculate the mass of water change if the density is 1.02 g/ml and the volume is 62 ml?
Dimas [21]

Answer:

65.72 g

Explanation:

mass = density × volume

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What is h+ concentrate in a solution with a pH of 1.25 round to nearest hundredth
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Answer:

0.0562

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Ph=-log[H+]

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