Absorbance Transsmission 0.730 17.8 0.641 22.8 0.400 31.8 0.340 45.2 0.211 62.0 0.076 85.4 0.020 04.2

Q: Hydrogen peroxide, H_{2}*O_{2} is a colorless liquid. A concentrated solution of it is used as a…

A: Given -> Moles of H2O2 = 1.151 mole

Q: Sait efflorescent A hydrated salt is 21% water (anhydrous formula weight is 136.1). a. How many…

A: Some chemical compounds on crystallization from water solution produce a crystal that contains water…

Q: The percent by mass of potassium in KOH is  The percent by mass of nitrogen in CH5N is %.

A:

Q: The composition of a commercial cold remedy mixture is 87% aspirin, 7% caffeine, 6% vitamin C. What…

A: Mass of mixture that contains 5 g Caffeine = ? % of aspirin = 87 % % of caffeine = 7% % of vitamin C…

Q: pe of particles: b) Type of attraction: c) Properties: d) Give Examples:

A: Metal is a kind of solid which are malleable, ductile, lustrous, and a good conductor of…

Q: How many liters are in 183 moles of NaNO,?

A: Generally one mol of any substance contains 22.4 liters of volume , and mass equal to atomic or…

Q: 102.2 g NaCl = _______________ mol NaCl

A:

Q: A chemistry graduate student is given 250. mL of a 0.70 M dimethylamine ((CH3)₂NH) solution.…

A: Given,  Molarity of ( CH3 )2NH = 0.70 M Volume of ( CH3 )2NH = 250. mL Kb ( ( CH3 )2NH ) = 5.4 x…

Q: What mass of ethanol is in a 259 g of 24.1 % ethanol in water.

A: The objective of the question is to find out the mass of ethanol in a 259 g solution of 24.1%…

Q: O 020.M HN03 ph

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Q: What's the theoretical percent water in tin(IV) chloride hexahydrate ?

A: The percent water by mass can be calculated by multiplying the ratio of water mass to the total mass…

Q: A chemist has two different gasohol mixtures available. One contains 20% alcohol and the other 12%…

A:

Q: H H Ο H C. H H H The chemical formula for the molecule shown is empirical formula is and the

A: Step 1:Chemical formula for benzene is written by counting the total number of C atoms and then…

Q: grams of I?

A:

Q: How many moles are in 3.4x10^-7grams of silicon dioxide?

A: The formula for the number of moles is expressed as Number of Moles = Mass of substance ÷ Molar mass…

Q: What is the mass of oxygen in 1 g of glutamine

A: Structure of glutamine is shown in image. It is a basic amino acid.  It's molecular weight is 146.14…

Q: Theoretically, should the experimental mass percent water values for everyone who used the same…

A: Answer is yes  If everyone is calculating the percent mass of water in the same hydrate the answers…

Q: How many cations are in 20.0g of Sodium pnosphate?

A: The formula of sodium phosphate is Na3PO4 Given: weight of sodium phosphate = 20 g

Q: 24. Select the correct statement below. The percent composition (by mass) is the same for each…

A: The statements which are correct are, A) The percent composition (by mass) is the same for each…

Q: pure density liquid A. 31. What is the density of a mixture that is 2.3 moles A and 2.7 moles B?…

A:

Q: Part A The American Dental Association recommends that an adult female should consume 3.0 mg of…

A:

Q: A student in lab needs to make a solution that is 6.00% by mass NaCl. If 175 g of NaCl is available,…

A:

Q: PART I: For each of the following Chemical Word Equations, perform the following: a) Write out the…

A:

Q: Compute: % of chlorine in potassium chloride. O a. 100% O b. 47% O c. 53%

A: The mass percentage of a component in a solution is calculated by using the formula: Mass…

Q: You have a beaker containing 325.9mL of H2O and 14.55g of CaBr2. Calculate the mass percent.

A: Mass percentage ( % w/W ) :  mass of solute in grams present in 100 mL of solution is called mass…

Q: Compute: % of sodium in sodium oxide. O a. 74% O b. 60% O c. 59%

A: The chemical formula of sodium oxide is Na2O. The molar mass of sodium oxide is 62 g and 46 g of…

Q: HO octz if It 30

A:

Q: One molecule of H2SO4 would have a mass in grams equal to?

A: Given, one molecule of H2SO4we are asked to calculate the mass of one molecule of H2SO4 in grams.

Q: 1. Os0, pyr н но 2. NaHSO,(aq) ÓH ČH3 Br, NaOH H,0 CH 1. BD,, THF но 2. H,0, OH- ČH3 CH3 Br, н но…

A:

Q: What is the mass of Alka-Seltzer that is added to each beaker?

A: Alka - Seltzer tablet is tablet which gives a temporary relief of heartbeat,acid idegestion and sour…

Q: How many of molecules of water, H2O, are in a glass of 240g water?

A:

Q: How many miles of HCI are in a sample of HCI with mass of 126g?

A:

Q: Determine the formula weight of NH,CI. Provide an answer to two decimal places.

A:

Q: How many grams of water are represented in 800 g of MgSO4*7H2O? MW of MgSO4*7H2O = 246 g/mole MW of…

A:

Q: What is the molar mass of (NH4)2 SO4 in g/mol? Round and report answer with 2 decimal places.

A:

Q: Find the percent mass if 8.6g of NaOH is added to 69.44g of water.

A: Given :-  mass of NaOH = 8.6 g  mass of water = 69.44 g  To calculate :-  percent mass (%w/w)

Q: The ______________ is a collective unit that represents Avogadro’s number of particles.

A: we have to complete the given sentence using the appropriate term

Q: . manganese + iron (II) chloride Mol: Ionic: Net:

A: Applying concept of writing chemical equations.

Q: What is the percent N by mass in iron (iii) nitrate

A: The detailed solution is given below.

Q: Which of the following is the correct unit for equivalent weight? a)eq/mol b)eq/g c)g/eq d)mol/eq

A: The unit for equivalent weight is given below.

Q: ere he e formula a

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Calculate the percentage composition for PNCI2 - (Enter your answer to four significant figures.)…

A: Solution: The percentage composition for PNCl2 are as follows --- The molar mass of phosphorus (P) =…

Q: مد CI byl H 1. NaBH4, CH₂OH 2. HCI, H₂O 1. NaBH, (0.25 eq.), CH₂OH 2. HCI, H₂O 1. NaBH₁, CH₂OH 2.…

A: We have to give the products of the given reactions. Concept: We know that the sodium borohydride…

Q: %. The percent by mass of bromine in PNBR2 is (Enter your answer to four significant figures.)

A: