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3 years ago

The number of electrons in a neutral atom of hydrogen (H) atom is

Chemistry

1 answer:

vesna_86 [32]3 years ago

7 0

There is one electron

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Which statement describes a strong acid?

masya89 [10]

Answer:

Explanation:

B describes a strong base, C just isn't true there are only 7 strong acids, D describes a weak acid

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3 years ago

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Please help. Im not a very smart person

GenaCL600 [577]

Either it’s, it is released when the reaction is complete or it is changed into atoms of carbon and oxygen during the reaction

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3 years ago

How many grams are in 26 moles of<br> magnesium hydroxide?

WINSTONCH [101]

1,516.31168 grams of Magnesium Hydroxide

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3 years ago

The mass of a solid substance is 21.112 g. If the volume of the solid substance is 19.5 cm3, calculate the density of the substa

Ostrovityanka [42]

Answer:

ρ = 1.08 g/cm³

Explanation:

Step 1: Given data

Mass of the substance (m): 21.112 g

Volume of the substance (V): 19.5 cm³

Step 2: Calculate the density of the substance

The density (ρ) of a substance is equal to its mass divided by its volume.

ρ = m / V

ρ = 21.112 g / 19.5 cm³

ρ = 1.08 g/cm³

The density of the substance is 1.08 g/cm³.

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3 years ago

When excess dilute hydrochloric acid was added to sodium sulphite 960 of sulphuric (iv) oxide was produced. calculate the mass o

irakobra [83]

The mass of sodium sulfite that was used will be 1,890 grams.

<h3>Stoichiometric problems</h3>

First, the equation of the reaction:

$NaSO_3 + 2HCl --- > NaCl_2 + H_2O + SO_2$

The mole ratio of SO2 produced and sodium sulfite that reacted is 1:1.

Mole of 960 grams SO2 = 960/64 = 15 moles

Equivalent mole of sodium sulfite that reacted = 15 moles

Mass of 15 moles sodium sulfite = 15 x 126 = 1,890 grams

More on stoichiometric problems can be found here: brainly.com/question/14465605

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2 years ago