How many grams of urea a ((NH,),CO)m must be added to 489 g of water to give a solution with a vapor pressure 2.77 mmHg less than that of pure water at 30 °C? Round your answer to 3 significant digits. Note: Reference the Vapor pressure of water (H₂O) at selected temperatures table for additional information. (NH,),CO-| g X 18民政□ ■ 〗 ∞ olo A

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A: The mathematical operation used to convert a measurement from one unit to another unit of smaller or…

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A:

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Q: Which of the listed elements is most metallic?(a) Al (b) N (c) P (d) O

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A: as per guidelines of  q&a i solve first three parts,

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A:

Q: 90. Write isotopic symbols in the form X-A (for example, C-13) for each isotope.(a) the iodine…

A: Since we only answer up to 3 sub-parts, we'll answer the first 3. Please resubmit the question and…

Q: Consider the balanced reaction 6 A + 5 B → 7 C + 7 D. If 6.65 moles of D (MW = 29.59) are produced,…

A:

Q: 31. What is the empirical formula of the compounds with the following molecular formulas? (a)…

A: Empirical formula and molecular formula: Empirical formula: it can be defined as the simplest whole…

Q: what makes thw difference between the isotopes of an element?

A: an elements having same atomic number but different masses are said to be isotopes

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: 68. Which pair of elements do you expect to be most similar? Why?(a) Ti and Ga(b) N and O(c) Li and…

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Q: 1)    The element gallium (Ga) exists in two isotopic forms with the following abundances: 60.16%…

A:

Q: Classify each of the following fifth-row elements as a metal, a metalloid, or a nonmetal: (a) Y (b)…

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Q: Give the systematic name for the following substance: NC14

A:

Q: What 19K, 12 Mg, 13Al elements give with go The formulas of the compounds which are- well shown…

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Q: Assume vit K1 makes up 0.052% ( by mass) of cilantro. How many moles of vit K1 is there in your…

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Q: K(s) Ca(s)

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Q: 4oloctron uminum lóA AlT ఆంం canfiquratioA Ale 3+ lán Al

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Q: Calalate te mass of Fes formed when 9.42 9 of Fe reacts with 8.505 oks Fe Cs) +2S Cs)- ) Feszcs)

A: Mass of Fe= 9.42 g Mass of S =8.50g

Q: A student obtained the following data in this experiment. Fill in the blanks in the data and make…

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Q: Is 1s22s22p6 the symbol for a macroscopic property or a microscopic property of an element? Explain…

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.