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kherson [118]
3 years ago
15

What will happen to the pH of sodium bicarbonate if vinegar is added to it?​

Chemistry
1 answer:
m_a_m_a [10]3 years ago
6 0

Answer:

The overall chemical reaction between baking soda (sodium bicarbonate) and vinegar (weak acetic acid) is one mole of solid sodium bicarbonate reacts with one mole of liquid acetic acid to produce one mole each of carbon dioxide gas, liquid water, sodium ions, and acetate ions. The reaction proceeds in two steps

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Why the catalytic and optical properties of nanomaterial are different from bulk material
Law Incorporation [45]

Answer:

The material properties of nanostructures are different from the bulk due to the high surface area over volume ratio and possible appearance of quantum effects at the nanoscale. ... Yu; they found that the structural distortions on the quantum dots depend both on the kind of dopant and on the size of the dots.

Explanation:

hope it helps

4 0
3 years ago
A patient is given 200 mg of a drug with the formula: C32H34N6O10. How many mg of the drug is carbon?
Mice21 [21]

200 mg of C₃₂H₃₄N₆O₁₀ contains 116 mg of carbon.

To obtain the answer to the question, we'll begin by calculating the molar mass of C₃₂H₃₄N₆O₁₀. This can be obtained as follow:

Molar mass of C₃₂H₃₄N₆O₁₀ = (12×32) + (1×34) + (14×6) + (16×10)

= 384 + 34 + 84 + 160

<h3>= 662 g/mol </h3>

From the molar mass of C₃₂H₃₄N₆O₁₀, we can see that:

<h3>662 g of C₃₂H₃₄N₆O₁₀ contains 384 g of carbon. </h3>

Converting 662 g of C₃₂H₃₄N₆O₁₀ to mg, we have

1 g = 1000 mg

Therefore,

662 g = 662 × 1000

<h3>662 g of C₃₂H₃₄N₆O₁₀ = 662000 mg</h3>

Converting 384 g of carbon to mg, we have,

1 g = 1000 mg

Therefore,

384 g = 384 × 1000

<h3>384 g of carbon = 384000 mg</h3>

Thus, we can say that:

662000 mg of C₃₂H₃₄N₆O₁₀ contains 384000 mg of carbon.

Finally, we shall determine the mass (in mg) of carbon in 200 mg of C₃₂H₃₄N₆O₁₀. This can be obtained as follow:

662000 mg of C₃₂H₃₄N₆O₁₀ contains 384000 mg of carbon.

Therefore, 200 mg of C₃₂H₃₄N₆O₁₀ will contain = \frac{200 * 384000}{662000} = 116 mg of carbon.

Thus, we can conclude that 200 mg of C₃₂H₃₄N₆O₁₀ contains 116 mg of carbon.

Learn more: brainly.com/question/24572517

8 0
3 years ago
The pka of acetic acid (CH3COOH) is
PilotLPTM [1.2K]

Answer:

pH of buffer with HOAc/OAc Ratio of 10/12 => 3.97

Explanation:

Given HOAc/OAc⁻ buffer with 10:12 acid to salt ratio;

Ka (HOAc) = 1.8 x 10⁻⁵

pKa (HOAc) = -log(Ka) = -log(1.8 x 10⁻⁵) =  4.75 ~ 4.8

Use Henderson-Hasselbalch equation => pH = pKa - log [base]/[acid])

=>  pH = 4.75 - log (10/12) = 4.8 - 0.83 =  3.97*

*closest answer to 3.97 is pH = 3.8

4 0
3 years ago
Select the correct mass for each of the samples described below.
NISA [10]
To determine the mass of each compound, we need to convert them into units of moles first. We use avogadros number to do this and use the molar mass of the compounds to convert to mass.

<span>3.01 × 1023 molecules H2O ( 1 mole / 6.022x10^23 kg) (18.02 g / 1 mole) = 9.01 g

8.32 × 1020 formula units CaBr2 </span>( 1 mole / 6.022x10^23 kg) (199.89 g / 1 mole) = 0.28 g<span>

1.93 × 1026 molecules XeF6 </span>( 1 mole / 6.022x10^23 kg) (245.28 g / 1 mole) = 78610.16 g
8 0
4 years ago
Read 2 more answers
Are energy sources unlimited? please help it’s late
Kay [80]
It depend on the type of energy source
6 0
3 years ago
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