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Harman [31]
2 years ago
6

Carbon dioxide is an example of a

Chemistry
1 answer:
julsineya [31]2 years ago
4 0

Answer:

i think d

Explanation:

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What volume of 0.08892 M HNO3 is required to react completetly with 0.2352 g of potassium hydrogen phosphate?
galina1969 [7]

Answer:

0.0303 Liters

Explanation:

Given:

Mass of the potassium hydrogen phosphate = 0.2352

Molarity of the HNO₃ Solution = 0.08892 M

Now,

From the reaction it can be observed that 1 mol of potassium hydrogen phosphate reacts with 2 mol of HNO₃

The number of moles of 0.2352 g of potassium hydrogen phosphate

= Mass / Molar mass

also,

Molar mass of potassium hydrogen phosphate

= 2 × (39.09) + 1 + 30.97 + 4 × 16 = 174.15 g / mol

Number of moles = 0.2352 / 174.15 = 0.00135 moles

thus,

The number of moles of HNO₃ required for  0.00135 moles

= 2 ×  0.00135 mol of HNO₃

= 0.0027 mol of HNO₃

Now,

Molarity = Number of Moles / Volume

thus,

for 0.0027 mol of HNO₃, we have

0.08892 = 0.0027 / Volume

or

Volume =  0.0303 Liters

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3 years ago
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So i have this question for science.- What is the element with the atomic number 7. Thank you.
vredina [299]

Answer: the atomic number 7 is

Nitrogen

Explanation:

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Lavar el arroz y escurrirle el agua es un ejemplo de mezcla....
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Lee and some other students working with Dr. Yung were conducting an experiment and ended up with some confusing results. In the
Alinara [238K]

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chung long

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cause 3 plus 2 =9

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In which pair of elements are both metalloids?
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Sb and Te

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there are on the stair step

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