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umka21 [38]
2 years ago
5

NaOH is typically standardized using potassium hydrogen phthalate (KHP).

Chemistry
1 answer:
DaniilM [7]2 years ago
6 0

Answer:

Na(OH)²

Explanation:

We look for the charges in the periodic table

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It was observed that magnesium sulphate was present in tap water ,which hardness might that be​
astraxan [27]

Answer:

Calcium sulphate is the right answer for this question.

It is because calcium sulphate helps to obtain the hardness in water. hardness.

The presence of this resource is a main reason for permanent hardness.

Hard drinking water has moderate health benefits, but can pose serious problems for the industrial settings.

Explanation:

8 0
2 years ago
Given 16.2 grams of substance Y, if the substance absorbs 2722 joules of energy and the specific heat of the substance is 9.22 J
snow_tiger [21]
Since the substance absorbs heat, it is expected that the temperature will rise. The formula for the internal energy of a substance is given by the equation:

ΔU = mCpΔT

where:

ΔU = internal energy
m = mass of substance
Cp = specific heat capacity of substance
ΔT = change in temperature

ΔU = 2722 Joules = 16.2 grams (9.22 J/g-°C) (Tf - 26°C)

This gives a final temperature of Tf = 44.22 °C
4 0
3 years ago
Balance the chemical equation below using the smallest possible whole number stoichiometric coefficients.
pogonyaev
I think it's balanced ?
There are two H's in the both side
And one P in the both side
7 0
1 year ago
What is the difference between polar and non-polar
ExtremeBDS [4]

Answer:

Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out.

Explanation:

Polar molecules occur when there is an electronegativity difference between the bonded atoms. Nonpolar molecules occur when electrons are shared equal between atoms of a diatomic molecule or when polar bonds in a larger molecule cancel each other out.

5 0
2 years ago
Mercury has an atomic number of 80 and a mass number of 200.
denis23 [38]
C. The mass number is the amount of Protons and electrons there are combined, so 200 - 80 is 120.
8 0
3 years ago
Read 2 more answers
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