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3 years ago

Is this statement true or false?

Chemistry

2 answers:

NemiM [27]3 years ago

8 0

1) False

2)True

3) True
Hopes this helps

Elenna [48]3 years ago

5 0

1.) false 2.) true 2.) true

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Determine the number of equivalents if a 3.89N solution contains 0.76 L of solution

ValentinkaMS [17]

Answer:

Explanation:

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3 years ago

Which pieces of equipment would be used to measure the density of a solution?

Inessa05 [86]

Answer:

c I've taken chem 3 times

Explanation:

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3 years ago

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1826.5g of methanol (CH3OH), molar mass = 32.0 g/mol is added to 735 g of water, what is the molality of the methane 0.0348 m 1.

Snowcat [4.5K]

Answer:

Molality = 1.13 m

Explanation:

Molality is defined as the moles of the solute present in 1 kilogram of the solvent.

Given that:

Mass of $CH_3OH$ = 26.5 g

Molar mass of $CH_3OH$ = 32.04 g/mol

The formula for the calculation of moles is shown below:

$moles = \frac{Mass\ taken}{Molar\ mass}$

Thus,

$Moles= \frac{26.5\ g}{32.04\ g/mol}$

$Moles\ of\ CH_3OH= 0.8271\ moles$

Mass of water = 735 g = 0.735 kg ( 1 g = 0.001 kg )

So, molality is:

$m=\frac {0.8271\ moles}{0.735\ kg}$

Molality = 1.13 m

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3 years ago

Crambury glasses made by adding? Gold Manganese Cobalt Chromium

Nataliya [291]

Answer:

Gold

Explanation:

Cranberry glass or 'Gold Ruby' glass is a red glass made by adding gold salts or colloidal gold to molten glass. Tin, in the form of stannous chloride, is sometimes added in tiny amounts as a reducing agent.

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3 years ago

Identify the base in this acid-base reaction:

yarga [219]

Answer:

$\boxed{\text{NaOH}}$