8. 7. OCH3

Q: A vitamin syrup for infants contains 27.44 mg of zinc sulfate monohydrate (ZnSO4.H2O) and 100.00 mg…

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Q: A typical antacid tablet contains 0.50g of calcium carbonate. The chemical equation for the…

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Q: 1) How many zinc (Zn) atoms are contained in 5.16 moles of Zn?

A: Mole is described as the amount of a substance which consist of  exactly the Avogadro number of…

Q: 3.161 Potash is any potassium mineral that is used for itspotassium content. Most of the potash…

A: a) The same amount of potassium on a per-dollar basis has to be given, $0.551 kg KCl1 kg KCl1000 g…

Q: lithium carbonate contains 18.8 lithium and is used in the treatment of mental illnesses such as…

A: The percent mass composition is also known as the mass percent also called as the percent by weight.…

Q: 5. A compound with an empirical formula of CFBRO and a molar mass of 253.8 grams per mole. What is…

A: We have to predict the molecular formula of given compound.

Q: Na2S and 12.1 8 CUSO4? The actually amount of CuS Reaction: Na2S + CUSO4 → Na2SO4 + CuS A) 16.1% B)…

A: The limiting reagent is a reactant which is used up completely in a chemical reaction.

Q: how many moles of KCl will be formed from 2.73 moles of KClO3?

A: In this question we want to determine the moles of KCl, which is formed from decomposition of KClO3.…

Q: 8) Suppose you had 20 moles of H2 on hand and plenty of O2, how many moles of H20 could you make?

A:

Q: 4. (aq) (aq) BeSO, (aq) + H,O(1)

A: Given_____    (aq)  +  ____   (aq) → BeSO4(aq) + H2O (l)

Q: Compound A H CompoundB H Compound C Compound D OH Br Compound E Compound F Compound G Compound H

A:

Q: Empirical Formula for the CuxCly z H2O

A: The empirical formula is CuCl2.2H2O

Q: A type of steel used for bicycle frames contain 5g of manganese in every 400 g of steel. How much…

A: Given: Mass of manganese in 400 g of steel = 5 g And total mass of steel in bicycle = 2200 g

Q: In mammals, lactose (milk sugar) is metabolized to glucose (C6H12O6), the key nutrient for…

A: Given :  Calculate the mass percent of C in glucose

Q: 5.9 mol N2O5

A:

Q: Describe the process of Interconverting Masses and Moles?

A: Moles of a substance = given mass of substancemolar mass of substance  Mass of a substance = moles…

Q: White the balanced reactions for the following(i) Potassium Bromide (aq) + Barium iodide (aq)…

A: (a) Potassium bromide(s) + Barium iodide(aq) = potassium iodide(aq)+Barium bromide (s). The balanced…

Q: H2N ОН IZ

A: 4 carbon atoms are present in above molecule.

Q: How many K+ ions are in a sample of K2O that has a mass of 132.1 g?

A: To calculate number of K+ ions. 1 mole of K2O =2 x 39 + 16 =94g. 94g of K2O =6.022 x 1023 molecules…

Q: Jotassi 2Al(s) + 2KOH(aq) + 6H20)2KAI(OH)4 (aq) +3H2(g) b. The first reaction of sulfuric acid with…

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Q: An essay written by carbon pencil on a paper weighs 0.5 mg. How many carbon atoms present in the…

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Q: 3- calculate the number of ( 0 ) atom in 1.5 g of glucose (C,H12O6).

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Q: Please balance this equation! S8 + Na2SO3 + H2O -------> Na2S2O3.5H2O

A:

Q: 1. The processing plant you work for needs to produce 500 g of Li;Ns) from Lis) and N(e)- Your…

A: Since, you have posted two questions we will provide you the solution of first question. Please,…

Q: What are two errros that could cause one of your mass percentages to be too low?

A: Mass percent or weight percent of a component in a substance can be defined as the mass of the…

Q: 7. C,H16 + 02 -- CO2 + H20 8. H2SICI, + H20 --→ H&S¡404 + HCI

A: Balanced the chemical equation--

Q: Iron(II) sulfate, FeSO4FeSO4, is prescribed for the treatment of anemia. How many moles of…

A: Given, amount of FeSO4 =310 mg =0.31 gramMolar mass of FeSO4 =151.9  gmolwe are asked to calculate…

Q: How many g rams of NaO Hare needed 7.8LOF O, os m NaO H golu tion z

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: Calculate the amount of  anions (in moles) in 5.0 g of magnesium bromate.

A: Magnesium bromate is Mg(BrO3)2. The ions present in magnesium bromate are Mg2+ and BrO3-. So, BrO3-…

Q: The American Dental Association recommends that an adult female should consume 3.0 mg of fluoride (F…

A: Mass percent 45.24% indicates that 100g sodium fluoride contains 45.24g.

Q: 7.) How many molecules of H, are present in 7.5 grams of H,?

A: Since there are multiple questions, I am only solving the first one. If you want the other question…

Q: Lead(II) chromate (PbCrO₄) is used as the yellow pigmentin traffic lanes, but is banned from house…

A: Lead is dangerous for the body. Lead poisoning can lead to death if its concentration is very high…

Q: 5. Molecular Mg(OH).(s) H,SO.(aq) MgSO.(aq) + H,0() Detailed ionic Net ionic

A: Given-  Molecular equilibrium-> Mg(OH)2(s) + H2SO4 (aq) ----> MgSO4(aq) + H2O(l)

Q: 4. What is the mass percent composition? Why is it useful?

A: Mass percent of each type of element in a compound is called the mass percent composition of the…

Q: A student, Ken, is given a mixture containing two carbonate compounds. The mixture includes MgCO,…

A: Given: Percent by mass of CO32- ions in sample = 69.14 %

Q: 1. An ore is analyzed for the manganese content by converting the manganese to MnsO4 and weighing…

A: Given, The weight of Mn3O4 = 0.126 g The weight of the sample = 52 g The molecular weight of Mn3O4 =…

Q: What mass (in grams) of oxygen is required to make 27.5 g calcium carbonate

A: The formula of calcium carbonate is CaCO3. Atomic mass of Ca = 40 amu Atomic mass of C = 12 amu…

Q: レ31 2- The mass percent of water in a hydrate of MnCl2 is 36.41%. What is the empirical formųla of…

A: Assuming the empirical formula of the hydrate is MnCl2.nH2O and 100 g of the hydrate. where n =…

Q: F2(g) + SrCl2(aq) ---> SrF2(aq) + Cl2(g)   Complete ionic:   Net ionic:

A: Complete ionic equation:

Q: u (II) sulfate exists as a hydrate. It has many practical uses including use as a fungicide and…

A: Given: sampel mass = 42.75 g after heating mass = 27.38 g mass of water driven off = 42.75 -27.38…

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: 6.778 X 102 vanadium (V) ions react with 15.001 grams of magnesium metal producing vanadium metal…

A:

Q: 9. How many kilograms of iron can be obtained from 635 pounds of an ore that is 72.0% hematite,…

A:

Q: A certain fertilizer is advertised to contain 10.5% K2O. What percentage of the fertilizer is…

A: The molar mass of any substance is the mass of 1 mole of that substance. The unit of molar mass is…

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 chemist is given a sample of the CuSO4 hydrate and asked to determine the empirical formula of it.…

A: The hydrate compound has water of crystallization in it. This means that it has water in its crystal…

Q: Он OH 1. PCC, CH2CI2 2. КоН (сat), ELOH, 78 °C HO,

A: Number of functional group is associated with organic compounds which impart specific chemical and…

Q: 8.25 Cisplatin (right), or Platinol, is used in the treatment of certain cancers. CI- N- Calculate…

A: The molecular formula of  cisplatin or Platinol is [Pt(NH3)2Cl2]

Q: Suppose 8.60 g of CH4CH4 is allowed to burn in the presence of 17.00 g of oxygen. How much (in…

A: Given that 8.60 g of methane reacts with oxygen to form carbondioxide and water . Number of moles of…