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3 years ago

If a substance has a ph of 3, what is it

Chemistry

2 answers:

nadya68 [22]3 years ago

6 0

It is is then referred to as Acidic

andriy [413]3 years ago

4 0

Answer:

Acidic

Explanation:

On a standard Ph scale, anything lower than 7 on a scale is acidic and anything over 7 is alkaline lemon consists a large amount of acidity due to the amount of citric acid equipped inside it, Bleach is placed on the alkaline side of the scale because it includes chemicals such as Sodium hypochlorite and KOH(Potassium hydroxide) which can cause chemical burns when they are near contact as a substance itself.

Simply, if a substance has a ph of 3 it is acidic.

(if you'd like you could choose my answer as brainliest it would help me a lot)

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Consider the balanced chemical equation for the combustion of methane (CH4).

Mrac [35]

<h3>Answer:</h3>

89.6 L of O₂

<h3>Solution:</h3>

The balanced chemical equation is as,

CH₄ + 2 O₂ → CO₂ + 2 H₂O

As at STP, one mole of any gas (Ideal gas) occupies exactly 22.4 L of Volume. Therefore, According to equation,

44 g ( 1 mol) CO₂ is produced by = 44.8 L (2 mol) of O₂

So,

88 g CO₂ will be produced by = X L of O₂

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X = (88 g × 44.8 L) ÷ 44 g

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A flash contains 85.6g of C7H5NO3S (Saccharine) in 2.00 litre of a solution. What is the molarity?

larisa86 [58]

Answer:

0.234 M

Explanation:

C- 12.009 x 7

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$\frac{1mol}{183.133g} *\frac{85.6g}{2.00L}$ = 0.234 M Cancel out the grams mol/L equals molarity. Lowest significant figure is 3

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Classify which compounds will dissolve in water and which ones will not dissolve in water.

vredina [299]

Answer:

Dissolves in water: Acetone, 1-propanol, Methanol

Do not dissolve in water: Hexane, Decane

Explanation:

From the principle that like dissolves like,polar substances will dissolve in polar solutions, while non-polar substances will dissolve in non-polar substances.

Water is a polar solution, therefore, polar substances will dissolve in it.From the given options:

Acetone is a polar molecule, therefore, it will dissolve in water.

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Hexane is a non-polar molecule, therefore, it will not dissolve in water.

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Decane is a non-polar molecule, therefore, it will not dissolve in water

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3 years ago