How many hydrogen atoms are contained in 3.64 g of PtCl2(NH3)2? O4.90 x 1022 O9.79 x 1022 О4.38 х 1022 5.79 x 1022 Oe.19 x 1022

Q: What is the mass % of sulfur in aluminum sulfate Al2(SO4)3 rounded to three significant figures?

A: Considering the atomic mass of elements present in the aluminium sulfate, we determined the molar…

Q: If 6.1 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, what is the mass in kg of CO₂…

A: Given: 6.1 × 10²⁵ molecules of CO₂ are produced in a combustion reaction.  To determine : The mass…

Q: Consider the chemical formula for one molecule of methane, CH4. If instead of one molecule we had 10…

A: According to chemical formula of methane ( CH4 ) , it's very clear each molecule of methane has one…

Q: 3. Sodium carbonate decahydrate Na CO₂ · 10H₂0 .

A:

Q: If 5.9 × 10²⁵ molecules of CO₂ are produced in a combustion reaction, how many kg of CO₂ is…

A: Calculate the moles of CO2 produced, Calculate the mass of CO2 produced,

Q: Calculate the number of O atoms in 0.0136 g of CaSO4 2H₂O. x 10 O atoms (Enter your answer in…

A: Answer: Given data: Mass of CaSO4.2H2O m=0.0136g

Q: a. How many ATOMS of boron are present in 7.41 grams of boron trichloride? 3.805x10^21 atoms of…

A: Molecule given = BCl3 1 molecule of BCl3 = 1×6.022 ×1023 Molar mass of BCl3 = 117.3 g/mol 117.3 g of…

Q: 2NaCl + 1 Br2 → 2 NaBr + 1 Cl2     How many moles of NaCl are there in 99 grams of NaCl?  If you…

A: a) Given, Given mass of NaCl = 99 grams b) Given, Amount of NaCl is 31 grams c) Given, Amount of…

Q: Elemental sulfur occurs as octatomic molecules, S8. What mass (g) of fluorine gas is needed to react…

A: Given- Elemental sulfur occurs as octatomic molecules, S8. 17.8 g of sulfur to form sulfur…

Q: The density of water is 1.00 g/mL at 4 degrees Celsius. How many water molecules are present in…

A: First of all calculate the mass of water by using given volume and density of water. Then calculate…

Q: Consider the reaction of solid P₄ and chlorine gas to form gaseous phosphorus trichloride. The…

A: The reaction given is P₄(s) + 6 Cl₂ (g) → 4 PCl₃ (g)

Q: Fe,03 + HCI → FeCl, + H2O 5 g 5 g ?g 5. How many grams of the product is produced?

A:

Q: Consider the following reaction: 4 NH3(g) + 5 O2(g) → 4 NO(g) + 6 H2O(g) If 3.60 g NH3 and 5.40 g O2…

A: The answer is as follows:

Q: The compound phthalic acid consists of carbon, hydrogen and oxygen. When a 1.969 g sample of…

A: First calculate the number of moles and mass for C and H. Use that to calculate mass of O and its…

Q: How many molecules are in 4.83×1020 H2O2?   I don't quite understand how to do these calculations. I…

A: Note: Hey there! Thank you for posting the question. Since the unit is not given, we have taken…

Q: Gaseous butane (CH3(CH2)2CH3) will react with gaseous oxygen (O2) to produce gaseous carbon dioxide…

A: 2C4H10 + 13O2 = 8CO2 + 10H2O

Q: Can someone please help me out on this one on what to put on the boxes . I’m unsure on what my…

A:

Q: Calculate the mass in grams of 6.12 mole Cu(NO3)2.

A: Solution stoichiometry is mainly based on the calculation of moles and volumes. These two values are…

Q: Given 70 g of CI2, how many particles of Br2 is produced? Cl2 + 2KB → 2KCI + Br2 O 6.02 x 1023…

A: First calculate moles of Cl2. Then use mol to mol ratio to calculate moles of Br2 and use relation…

Q: Water boils at 100 °C at 1.00 atm pressure. At what temperature will water boil in Alma, Colorado,…

A: Clausius Claypeyron's equation gives the dependence of pressure and temperature.…

Q: Calculate the number of moles of chlorine present in 120  g g of chlorine gas.

A:

Q: Nitric acid is used in the production of fertilizer as well as nitroglycerin.  Convert 2.9 x 1021…

A: Since, we know that ; 1 mol of nitric acid contains 6.022 × 1023 molecules. So,  2.9 × 1021…

Q: 37 x 1019 molecules CH3NH2 contains how many moles of carbon?  CH3NH2 (g) +   O2 (g) →   CO2 (g) +…

A: Since given molecular formula of compound is CH3NH2 which shows that it has one caron atom or one…

Q: 2. Iron reacts with chlorine gas to form iron(II) chloride: 2 Fe(s) + 3 Cl₂(g) →→2 FeCl,(s) What…

A: Two mole of iron react with three mole of Cl2 and produced two mole of FeCl3

Q: Elemental phosphorus occurs as tetratomic molecules, P4. What mass of chlorine gas is needed to…

A: Given that  Elemental phosphorus occurs as tetratomic molecules, P4 The mass of chlorine gas is…

Q: What is the mass in grams of 5.57 × 10¹⁵ molecules of SO₂?

A: We know that , 1 mole = 6.023x1023molecules/atoms/ions.1 mole = molar mass of molecule .6.023x1023…

Q: A balloon filled with neon gas, Ne, contains 9.870 x 1025 atoms. Use the molar mass of neon, 20.18…

A: Given,number of atoms of neon ( Ne ) gas = 9.870 x 1025 atomsmolar mass of Ne = 20.18 g/mol

Q: 2Na + Cl2 → 2NaCl. If I want to make 100.0 g of salt, how much elemental chlorine would I need?

A: First convert mass into molar mass  Then use mole-mole relationship  After getting mole of  Cl2 then…

Q: 4. How many moles of water are present in a 20.00 gram sample of lithium permanganate, LiMnO4-3H2O?

A: by using mole concept we easily determine the mole of element are present in reactent and products.

Q: When 145 g of MnCl₂ × nH₂O is heated, 92 g of the anhydrous compound is obtained. Find the number n…

A: Here n is number of moles of H2O, given that the mass of water = 92g

Q: 4. An 8.00 gram sample of the hydrated salt, CoCl2 • X H2O was thermally decomposed into anhydrous…

A: The question is based on the concept of reaction stoichiometry. We have  to calculate mole ratio of…

Q: the formula for disulfiram decafluoride is S2F10   A.How many molecules are in 1.35 grams of…

A: A.

Q: An engineering technician carries out a process to produce quicklime (calcium oxide, CaO) from…

A:

Q: Calculate the mass in grams of aluminum iodide (AlI3) when 23.40 g of aluminum (Al) reacted…

A: Given, 2Al + 3I2 →2AlI3 Mass of Al reacts = 23.40 g Mass of AlI3 = ? Note:  Atomic mass of aluminium…

Q: The mass, in grams, of 1.5 x 10-2 mol of CdS. The number of moles of hydrogen in 86.6 grams of…

A:

Q: %3D The mass of 2.21 x 1040 atoms of iron (molar mass = 55.845 g/mol) is O 2.78 x 104 g. 2.05 x 102g…

A:

Q: A vial contains 4.17 x 1023 molecules of an unknown organic compound.  How many moles (3 sf) of this…

A: given, the unknown organic compound contains " 4.17 x 1023 " molecules.

Q: What chemical property of potassium chlorate did you use to design a procedure to determine the…

A: Interpretation-  Tell that chemical property of potassium chlorate which we use to design a…

Q: What is the percent NaCl in the sample?

A:

Q: What is the mass, in grams, of 1.67 x 10^15atoms of Mn

A:

Q: The reaction 2 Sb + 3 Cl2 → 2 SbCl3 has an 88.3% yield. If 4.93 g of SbCl3 is desired, what mass of…

A: The reaction is given as, 2 Sb + 3 Cl2 →2 SbCl3Yield (%) = Actual YieldTheoretical Yield x 100

Q: How many molecules are there in 47.5 g of PF3? You will need to divide your answer by 1.0x10^23.

A: Number of moles of a substance is equal to the mass of substance divided by its molar mass.…

Q: The molecular formula of allicin, the compound responsible for the characteristic smell of garlic,…

A: Since , Molar mass of carbon atom = 12.0107 g Molar mass of hydrogen atom = 1.00784 g Molar mass of…

Q: Consider the following balanced chemical reaction: N2 (g) + 3 H2 (g) → 2 NH3 (g) What is the…

A: Given: Mass of N2 = 9.36 g Mass of H2 = 4.92 g Known: Molar mass of N2 = 28 g/mol Molar mass of H2 =…

Q: 1.00 mole of copper(II) sulfate, CuSO4, contains how many O atoms? O 2.41 x 1023 O atoms 2.41 x 1024…

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".