If 33.7 mL of seawater has a mass of 20.21 g and contains 4.11 g of solute, what is the mass percent concentration of the seawater? Report to correct significant figures. Your Answer: Answer units

Q: If 454 g of NH4NO3 decomposes, how much N₂O and H₂O (in grams) are formed? mass of mass of

A: Late of conservation states that sum of masses of reactant is equal to total mass of products.…

Q: Determine the mass in grams of 3.70 x 10²1 atoms of arsenic. (The mass of one mole of arsenic is…

A: 1 mole = 6.022 x 1023 entities Molar mass = Mass of 1 mole Mass of 6.022 x 1023 entities = molar…

Q: What is the mass in kilograms of 7.16 mole of Fe?

A: Given data, Moles of Fe = 7.16 moles We know, Moles of a substance is given by the ratio of given…

Q: Calculate the mass percent of chlorine in CCl6

A: Mass percent is a percentage of amount of an atom in the given molecule.  The mass percent of…

Q: A 2.00 g sample of an organic compound contains 0.675 g of carbon. How much carbon would a 4.00 g…

A: ◼️ Given that:  2.00 g of organic sample has 0.675 g Carbon  Carbon in 4.00 g of same organic…

Q: The percent by mass of copper(I) in CuCH3COO is?

A:

Q: 22. The molar mass of Ba (NO3) 2 is?

A: In this question we need to calculate the molar mass of Ba(NO3)2 we know the molar mass of…

Q: Determine the mass percentage of carbon, C, hydrogen, H and oxygen, O, in C7H14O. Refer to the…

A: C7 H14OMass of carbon = 7 ×12= 84 gmass of hydrogen = 1×14 = 14 gmass of oxygen = 16×1 = 16…

Q: What is the advantage of expressing mass in moles?

A: Expressing mass in moles offers several advantages in chemistry. It simplifies calculations,…

Q: An element consists of 4.35% of an isotope with mass 49.946 u, 83.79% of an isotope with mass…

A: Average atomic mass: The average atomic mass of an element is the sum of the masses of its isotopes,…

Q: A student is given a 1,8496 g of an unknown copper compound. Following isolation by displacement by…

A:

Q: What is the mass of 0.6134 moles of gold atoms?

A: Given, moles of gold atoms = 0.6134 moles molar mass of gold = 196.97 g/mol  To oetermine mass of…

Q: Which weighs less, 0.25 mole of xenon atoms or 2.0 moles of carbon atoms?

A: The mass of 0.25 mole of xenon atoms can be calculated as

Q: When 4.008 g of sulfur is burned completely in abundant air, it combines with oxygen to form a…

A: The balanced chemical equation between sulphur and oxygen is given by

Q: how many moles of Cu are present in 1.51*10^22 atoms Cu?

A: Number of mole is equal to number of atom divide by avagadro number.             Given number of Cu…

Q: What is the mass ( in kilograms) of the average molecule of carbon dioxide?

A:

Q: 5.00 g of a certain Compound X, known to be made of carbon, hydrogen and perhaps oxygen, and to have…

A: Using the data given in the question, the number of moles of the compound X can be calculated.

Q: Suppose you place a piece of copper on the balance without a weigh boat and the measurement reads…

A: Mass of copper(Cu) = 2.589 g Atomic mass of copper = 63.5 g The number of atoms in copper = ?

Q: What is the mass of 0.015 moles of FeO?

A:

Q: He, helium written as 4.003 g/mol

A: since we know that molecular weight of helium on the periodic table is 4.003 g  and molar mass of He…