What is the mass of 0.0157 eq carbonic acid?

Q: What coefficients would you need to balance the following equation, just put the coefficients in the…

A: • The given unbalanced chemical equation is,            Mg + HCl → MgCl2 + H2

Q: What is the molar mass of a particular compound if 0.050 mol weighs 5.96 g?

A:

Q: A sample of ultrapure silicon was reacted with excess oxidizing yielding SiO₂. After proper…

A: Given that -  Mass of Silicon dioxide SiO2 =  3.1754 g  Percentage of ultrapure silicon = 99.98%…

Q: What quantity in moles of KCI are there in 50.0 mL of 0.141 M KCI?

A: Molarity is defined as the number of moles of solute dissolved in one liter of solution. Molarity =…

Q: What mass of sodium hydroxide contains 4.58 × 1 0 2 3 formula units?

A: Moles = (4.58*10^23)/(6.023*10^23)              =0.76

Q: How many moles of H2(g) are generated by the complete reaction of 0.145g of Mg(s) with excess…

A: The balanced reaction is ., Mg (s) + 2HCl (aq) ----> MgCl2 (s) + H2 (g)

Q: a) An aqueous solution contains 2.52 g of Pb(NO3)2 in one liter.  How many moles of each ionic…

A: Pb(NO3)2 is a strong electrolyte. I aqueous solution is dissociates completely as: Pb(NO3)2…

Q: The concentration of Mg2+ ion present in a sample is 4.57 mEq/L. How many Mg2+ ions are present jn…

A: The milliequalents of of Mg2+ in the solution is, mEq of Mg2+=4.57 mEqL×246 1000L…

Q: A hydrate of formula M2EO3•XH2O (where M is a metal, E is a non-metal, and x is a whole number) has…

A: • Molar mass of oxygen = 16 g/mole                                     (0)• Formula weight of M2E…

Q: C6H6 contaminates a water sample. The sample contains 0.000037% of the compound by mass. How much…

A: Mass percent = (Mass of solute/Mass of solution) x 100 Let us consider the mass percent of solution…

Q: Q1: Calculate the mass needed to prepare 2.0L of 0.05M AGNO, (M. Mass 169.87g/mol) from its primary…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A compound's molar mass is 400 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: Percentage composition can be used to find the moles of each atom present in the formula.

Q: 4. What mass of AgI can be produced from a 0.512-g sample that assays 20.1% AlI,?

A: Balanced equation could be written as All3 + 3Ag+ --> 3 Agl + Al3+ As shown in the equation, one…

Q: Balance the following equation by filling the gaps with appropriate numbers. OMn + 0HCI » OMncl, +…

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

Q: A 52kg woman has 7.2 × 10⁻³ mol of hemoglobin (molar mass = 64456g/mol) in her blood. What quantity…

A: If the number of moles is known, Avogadro's number 6.022 x 1023 molecules, may be applied to compute…

Q: What is the difference between an electrolyte and a nonelectrolyte?

A: Chemical compounds: These are substances that are formed by combining two or more different atoms or…

Q: The number of H atoms in 10.0 moles of NH 3 (subscript)

A: The number of atoms or particles present in 1 mol of substance is given by Avogadro constant. The…

Q: Calculate the volume of 0.0712 mol of bromoform (CHBr3; d=2.89 g/mL).

A: First the mass of bromoform is determined from given moles as follows,

Q: .96435 mol NANUB 11. What is the molarity of a solution that contains 45.0 g of vitamin B1…

A: Answer:- The molarity of the solution is calculated using the formula as , molarity = mass/(molar…

Q: How many moles of C2H5OH are there in 59.9 mL of 0.250 M C;H;OH?

A: If N number of moles of a species is present in V mL of a C (M) solution then N is expressed as…

Q: D- Ba(CIo), (aq) + H1_0()

A: Given: Reaction To find: Complete the reaction Solution: Balanced equation is a equation in which…

Q: If 0.7688 moles of aluminum nitrate (aq) reacts with excess potassium hydroxide (aq), how many moles…

A:

Q: The hardness of water (hardness count) is usually expressed in parts per million (by mass) of CaCO3,…

A: Given: Hardness=175 mg CaCO3/L

Q: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

A: Precipitating gravimetry is a technique to determine the amount of an analyte based on mass of the…

Q: An aqueous solution is to be prepared that will be 3.87% by mass ammonium nitrate. What mass of…

A: Given :  Mass percent of ammonium nitrate = 3.87% Mass of solution = 1.23 kg To find  Mass = g…

Q: What is the molar mass of 7 kg barium hydroxide?

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

Q: What mass of N2H4, in grams, is needed to react completely with 27.9 g of H2O2?

A:

Q: After titration, 25 mL of a vinegar solution was found to contain .03 moles of acetic acid. Using a…

A: Volume = 25 ml Moles of acetic acid = 0.03 M

Q: In one part of our experiment, we take 30.0 ml of 1 M HCI(aq) and react it with a magnesium metal…

A:

Q: 19. A product weighing 12.11 g was isolated/obtained in the laboratory. The maximum amount of…

A: Given,  A product weighing 12.11g was obtained in the experiment, the maximum product can be…

Q: What is the molar mass of cholesterol if 0.652 mol weighs 252.13 g?

A: The molar mass of cholesterol (Mcholesterol) is calculated by dividing the mass of cholesterol…

Q: Write the empirical formula for at least four ionic compounds that could be formed from the…

A: The steps to write the empirical formula are shown in the next step

Q: By making use of a sophisticated laboratory apparatus, the nitrogen content of an ammonium nitrate…

A: given data is  obtained nitrogen content from the sample is 34.5%

Q: (perchloric acid) required to give 0.398 mol HCl are

A: Answer : molarity of HClO4 = 0.287M Moles of HClO4= 0.398 Molarity = no. Of moles/ volume (in L)…

Q: GRAVIMETRIC DE TERMINA TION OF AN UNKNOWN SULFATE 1. In the procedure involving heating the BaSO4…

A: We know that, Mass percentage of sulfate = ( Mass of sulfate / Mass of sample ) ×100

Q: 3. If 1.00 gram of Na2CO3 reacted with HCI(aq), according to reaction 1 in Part A, how many moles of…

A: Given, mass of Na2CO3 = 1.00 g  Moles of NaCl = ? Chemical equation would be Na2CO3  + HCl --->…

Q: HCl molarity !? 22.7% mass 3.18 g/mL density

A: Given that  Mass % of HCl = 22.7%  Density of HCl solution = 3.18g/mL  22.7% HCl by mass means, 22.7…

Q: 3. A compound's moleeular mass is 480 g/mol. Its percentage composition is 60% sulfur and 40%…

A:

Q: Give the empirical formula for the following compounds: a) b) d) Paragraph BIU A + v GO ...

A: Molecular formula is the formula of a compound that gives the total number of atoms present in that…

Q: A compound's molar mass is 240 g/mol. Its percentage composition is 75.00% carbon, 5.05% hydrogen,…

A: We have given that  A compound molar mass is 240g/mole its percentage composition is 75.00% Carbon…

Q: Q1/ What is the weight, in milligrams, of 0.250 mmol Fe2O3 (ferric oxide),F.wt (159.7 mg/mmol)?

A:

Q: Suppose a student starts with 2.4464 g of a sand mixture and separates the components into 1.3012 g…

A: According to the question, we had a sand mixture consisting of NaClNaCl, CaCO3CaCOX3, and SiO2SiOX2.…

Q: An impure sample of table salt (NaCl) that was dissolved in water and treated with silver nitrate to…

A: Mass of the impure sample = 1.741 g  Mass of AgCl formed = 4.084 g

Q: What is 0.37 mol (NH),SO, in grams?

A: Mole is defined as ratio of mass of compound to its molar mass. So,  moles = mass/molar mass   Given…

Q: 1. Get the percentage composition of C&H9NO2.

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: (8) Per chloric acid (0.200m)(0.125 L) Magnesium carbonate -7 Magnesium chlurate + CO,+ HaO 35.0g…

A: Given: Molarity of perchloric acid=0.200 M Volume of perchloric acid=0.125 L Mass of magnesium…

Q: A flask contains 0.440 molmol of liquid bromine, Br2Br2. Determine the number of bromine molecules…

A: Given, Number of moles of liquid bromine = 0.440mol Number of molecules can be calculated by using…

Q: (4) Ag20, NH,OH `H

A:

Q: How many moles of H2SO4 are there in 117.4 mL of a stock solution that reads 0.763M ?

A:

Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".