Choose the correct answer. Choose A is a unit of measurement that is equivalent to 6.02x1023 particles. Molarity Mole Molar mass Density

Q: Volumetric analysis depend on which factor?

A: Volumetric analysis is a quantitative chemical analysis used to determine the amount of substance…

Q: What is the percent by mass NaCl of a solution that contains 86.6 grams of BeO and 127.2 grams of…

A: The solution is a homogeneous mixture of solute and solvent. The solute dissolves in a solvent, in…

Q: How does the mass of 1 piece one-peso coin compare with the average mass of the coin in 2? What may…

A:

Q: 1. Why should solid NaOH be weighed on a watch glass and not on a paper?

A: We know solid NaOH can't be weighed on a paper. We use watch glass for weighing NaOH. Here we will…

Q: 5.6 × 10 mol mol 0 2 kg "m 2

A:

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A:

Q: The sulfur in an 8-tablet sample of the hypnotic drug captodiamine, C21H29NS2 (359.6 g/mol) was…

A: Given :  Molar mass of captodiamine = 359.6 gm/mol  Mass of BaSO4 recovered = 0.3343 g  molar mass…

Q: How many grams of Xe are contained in 454 mL?

A: Density of a substance is given as the mass per unit volume. The density is directly proportional to…

Q: Using dimensional analysis, convert 41.3 grams into moles( 1 mol = molar mass of substance). Round…

A: Given that, mass = 41.3 gram 1 mol= molar mass it means that , molar mass of the substance=…

Q: 5. Calculate molar mass of Cu3(PO4)2. Report to the correct significant figures and units.

A: Atomic mass: Copper = 63.54 gm/mole Phosphorus = 30.97 gm/mole Oxygen = 16 gm/mole One formula unit…

Q: A student sets up the following equation to solve a problem in solution stoichiometry. (The ? stands…

A: Given: equation To find: the solution with units of the equation.

Q: The average dollar bill is 1.8x107 nm long and weighs 0.987 g.  The distance to the sun is 1.5x108…

A: Mole : Mole is the unit by which we measure the amount of substance. One mole is equal to the number…

Q: What is the solution to this question? The answer given is 0.7081N

A: Calculate the number of moles of the compound. The molar mass of the compound potassium trihydrogen…

Q: A chemist measures the amount of oxygen gas produced during an experiment. He finds that 66.6 g of…

A: Mass of oxygen given 66.6 gram

Q: How many moles are in 135.2g of H2O? Round to 2 decimal places.

A: Mole represent the quantity of a substance.It is used for fundamental particle like as proton…

Q: 8. How many chlorine atoms are in 8.4 liters of chlorine gas?

A: Given 8.4 litre gas

Q: The normalty of 0.14 mol/L Al2O3

A: When molarity is multiplied by the n- factor we get normality. Al2O3 has the n-factor of 6.

Q: A sample of O2 gas has 7.5x10^24 molecules. How many miles of O2 are contained in it? How much does…

A: 1 mole of O2 gas contains Avogadro’s number of molecules.

Q: What is the mass in grams of Potassium Chloride present in 23.0 g potassium chloride of 12.50…

A: Here we assume that the mass percent of KCl = 23% or 0.23g we use

Q: A chemist measures the amount of chlorine gas produced during an experiment. She finds that 1.35 g…

A: Calculating number of moles:

Q: Calculate the number of phosphorus atoms in a70.0g sample of diphosphorus pentoxide P2O5 Be sure…

A: Mass of P2O5 = 70.0 g  Atoms of P = ?

Q: Carbon dioxide gas is placed inside container A. Hydrogen gas is placed inside container B. Both…

A: Option D is Correct Answer. Both containers will have same number of particles in them

Q: How many moles of solute are present in 300. mL of a 0.60 M solution of NaOH? Please report your…

A:

Q: Using the mass of the empty beaker and the mass of the beaker + KOH, calculate the mass of KOH…

A: Number of moles = Mass in g/molar mass

Q: Determine the number of moles in 247.6g of Cl2? Round to 2 decimal places.

A: Given: Mass of Cl2 =247.6 g The molar mass of Cl2 =70.906 g/mol Number of moles=?

Q: A chemist measures the amount of iodine solid produced during an experiment. He finds that 3.02 g of…

A: Please find your solution below : Mole is a unit used to measure amount of a substance. The number…

Q: e quantity of

A:

Q: convert  *26.30 μmole/mL into mole/L *0.556 g/cm3 into kg/L *.3.5760000x107 mm/s into km/h

A: The given conversions are shown as follows,

Q: Assuming the gas is at standard temperature and pressure, how many milliliters make up .073 moles of…

A:

Q: A chemist prepares a solution of zinc nitrate (Zn(NO3),) by measuring out 40.7 umol of zinc nitrate…

A:

Q: A chemist adds 1.75 L of a 2.80 × 10 -5 mol/L mercury(II) iodide (Hgl,) solution to a reaction…

A: The concentration of any solution can be given by its molarity, molality and normality. The molarity…

Q: Substance AB2 is 60% A by mass.  What is the percent A by mass for substance AB?  Justify your…

A: For given compound AB2, 60% by mass is A then obviously 40% is B. That is for 100g of given…

Q: Convert the following measurement. kg 4 5.4 x 10 g mol · L mol · dL

A:

Q: A chemist prepares a solution of zinc oxalate (ZnC,0,) by measuring out 0.0034 µmol of zinc oxalate…

A:

Q: (4) convert  *26.30 μmole/mL into mole/L * 0.556 g/cm3 into kg/L * 3.5760000x107 mm/s into km/h

A: Conversion factors:

Q: . Convert 0.169 Molar HC2H3O2 to % (m/V).

A:

Q: For the molecular compound tetraphosphorus decaoxide, what would you multiply "molecules of P4010"…

A:

Q: What is the density of a sample of gold if 1.19x1023 atoms occupies 1.86 cm. Molar mass of the metal…

A: Density is defined as the ratio of mass to volume. The SI unit of density is kg/m3. One mole is the…

Q: What is the mass of 3.5 x 10^-3 molecules of copper (II) carbonate? Use correct significant figures…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

Q: Convert the following measurement. kg 2 4.7 × 10 g mol · L mol · dL

A: Since, 1 kg = 1000 g  kg = kilograms and g = gram  1 g = (1/1000) kg 1 g = 0.001 kg And, 1 L = 10 dL…

Q: You have 741.9 mls of water and you want to make a 1.184 molar (M) solution of barium hydroxide.…

A: Given: The volume of water= 741.9 mL Molarity of Barium hydroxide solution=1.184 M To calculate:…

Q: Convert 56 grams of water to moles.

A: The number of moles(n) of a substance can be determined by the following equation n=wM where w=…

Q: 378 g f) 3.8 x 10 mol x 0.0670 mol h) (2.3 x 10 m) (4.567 x 10 m)= 2.3x100m 230m

A: Here some values are given, we have to find the final answer of this given question. For…

Q: Convert the following measurement. kg 3 1.6 x 10° g x10 mol · L mol · dL

A:

Q: 18/8 stainless steel is made up of 18% (m/m) chromium and 8% (m/m) nickel in iron. What mass of iron…

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Q: How many grams of MgCly are needed to prepare 665 mL of 0.881 molar aqueous MgCly? Put answer in box…

A: The solution is provided below: The given data contains, Volume = 665 ml Molarity = 0.881 M

Q: (1.47 x 10-4 mol/L)2(2.3 x 10-3 mol/L) / (8.23 x 10-5 mol/L)(2.99 x 10-2 mol/L)

A: The equation given is, => (1.47 × 10-4 mol/L)2 × (2.3 × 10-3 mol/L)(8.23 × 10-5 mol/L) (2.99 ×…

Q: A chemist measures the amount of oxygen gas produced during an experiment. He finds that 6.6 g of…

A:

Q: How many equivalents is 2.1 x 10²³ molecules sulfuric acid?

A: Calculate the number of moles of acid. Number of moles = Given number of moleculesAvogadro's number=…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.