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frosja888 [35]
3 years ago
9

What is the name given to the group 0 elements

Chemistry
1 answer:
Andreas93 [3]3 years ago
7 0

Answer:

the noble gases

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0.03 mol of potassium nitrate, KNO3 dissolved in 1.2 dm3 distilled water. What is the solubility of potassium nitrate, KNO3 ?​
Rufina [12.5K]

Answer:

solubility=0.25mol/dm^3

Explanation:

number of moles of solute=0.03mol

volume of solution in dm³=1.2dm³

solubility=?

as we know that

solubility=\frac{number of moles of solute}{volume of solution indm}

solubility=\frac{0.03mol}{1.2dm^3}

solubility=0.25mol/dm^3

i hope this will help you :)

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3 years ago
Velocity may be expressed in which I f the following units?
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3 years ago
It’s is the same one from my recent ones
UkoKoshka [18]
<h2>9. Given : P + O2 = P2O5</h2>

Balanced Chemical Equation: <u>4</u>P + <u>5</u>O2 = <u>2</u>P2O5

<u>Reactant Product</u>

P = (1) 4 | P = (2) 4

O = (2) 10 | O = (5) 10

Reaction Information

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Reaction Type: <u>Synthesis</u>

<h2>10. Given: HCl + NaOH = NaCl + H2O </h2>

<u>Reactant Product</u>

H = 2 | H = 2

Cl = 1 | Cl = 1

Na = 1 | Na = 1

O = 1 | O = 1

<h3>Chemical Equation is already in balance.</h3>

Reaction Information<em>:</em><em> </em><em>Hydrogen Chloride </em>+ <em>Sodium Hydroxide</em> = <em>Sodium Chloride </em>+ <em>Water</em>

Reaction Type<u> </u><u>:</u><u> </u><u>Double Displacement (Acid-Base)</u>

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<u>How to balance chemical equation?</u>

brainly.com/question/15939935

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4 years ago
A hydrocarbon is a compound that contains mostly carbon and hydrogen. Calculate the percent composition (by mass) of the followi
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