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One formula unit is same as one molecule
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Part D Sodium hydroxide, NaOH is a strong base that is used in industrial synthesis and...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2. Express your answer numerically in moles. 2) In the gaseous state, chlorine exists as a diatomic m...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2. Express your answer numerically in moles. 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 100 g of chlorine gas. Express the quantity in moles to three significant figures. 3) Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride,...
1) Calculate the number of moles of Cl atoms in 3.01×1024 formula units of magnesium chloride, MgCl2. Express your answer numerically in moles. 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 100 g of chlorine gas. Express the quantity in moles to three significant figures. 3) Sodium hydroxide, NaOH, is a strong base that is used in industrial synthesis and processes such as...
1) How many moles of water, H2O, contain 2.0×1022 molecules of water? Express the quantity in...
1) How many moles of water, H2O, contain 2.0×1022 molecules of water? Express the quantity in moles to two significant figures. Moles of water = ___________ mol 2) In the gaseous state, chlorine exists as a diatomic molecule Cl2 (Molar mass = 70.9 g/mol). Calculate the number of moles of chlorine present in 140 g of chlorine gas. Express the quantity in moles to three significant figures. Moles of chlorine gas = ___________ mol 3) Sodium hydroxide, NaOH, is a strong...
Which of the following correctly portrays aqueous solutions of NAOH and NH4OH? (Sodium hydroxide is a strong base,...
Which of the following correctly portrays aqueous solutions of NAOH and NH4OH? (Sodium hydroxide is a strong base, and ammonium hydroxide is a weak base.) Na (aq) + OH (aq) and NH4OH(aq) NaOH(aq) and NH4+(aq) + OH-(aq) Na+(aq) + OH(aq) and NH4+(aq)+ OH(aq) NaOH(aq) and NH4OH(aq) answer not given
What molarity of sodium hydroxide solution is used to react 0.511 grams of KHP, if the...
What molarity of sodium hydroxide solution is used to react 0.511 grams of KHP, if the initial buret reading for the addition of sodium hyrdoxide is 0.4mL and the final reading is 12.7 mL? The molar mass of KHP is 204.2 g/mol. The reaction is KHP + NaOH --> KNaP +H2O
27 Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium...
27 Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H₂O). Suppose 7.7 g of hydrochloric acid is mixed with 5.29 g of sodium hydroxide. Calculate the maximum mass of sodium chloride that could be produced by the chemical reaction. Round your answer to 3 significant digits. ? The chemical formula for acetone is: (CH3),co Calculate the molar mass of acetone. Round your answer to 2 decimal places. -1...
Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide. If 15.18 mL of NaOH(aq) is...
Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide. If 15.18 mL of NaOH(aq) is required to titrate 0.5614 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? (The molar mass of KHP = 204.2 g/mol) HCH,0, (aq) + OH (aq) SCH,02 (aq) + H,0(1)
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) h...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.200 M sodium hydroxide...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.200 M sodium hydroxide (NaOH) solution to a 20.00 g sample of the fiuid and collects the solid nickel (II) hydroxide (Ni(OH) product. When no more Ni(OH), is produced, she filters, washes and weighs it, and finds that 0.288 g has been produced. The balanced chemical equation for the reaction is: Ni (aq) +2NaOH(aq) Ni(OH),)+2Na (aq) 4 Oprecipitation acid-base What kind of reaction is this?...
incorrect answers: 0.0112M Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2...
incorrect answers:
0.0112M
Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2 M Ba(OH), with 48.0 mL of 7.6*10-3 M NaOH Express your answer using two significant figures O AEC OD? [OH-] = Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining
Which of the following correctly portrays aqueous solutions of NAOH and NH4OH? (Sodium hydroxide is a strong base, and ammonium hydroxide is a weak base.) Na (aq) + OH (aq) and NH4OH(aq) NaOH(aq) and NH4+(aq) + OH-(aq) Na+(aq) + OH(aq) and NH4+(aq)+ OH(aq) NaOH(aq) and NH4OH(aq) answer not given
27 Aqueous hydrochloric acid (HCI) will react with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H₂O). Suppose 7.7 g of hydrochloric acid is mixed with 5.29 g of sodium hydroxide. Calculate the maximum mass of sodium chloride that could be produced by the chemical reaction. Round your answer to 3 significant digits. ? The chemical formula for acetone is: (CH3),co Calculate the molar mass of acetone. Round your answer to 2 decimal places. -1...
Potassium hydrogen phthalate (KHP) is used to standardize sodium hydroxide. If 15.18 mL of NaOH(aq) is required to titrate 0.5614 g KHP to the equivalence point, what is the concentration of the NaOH(aq)? (The molar mass of KHP = 204.2 g/mol) HCH,0, (aq) + OH (aq) SCH,02 (aq) + H,0(1)
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.460 M sodium hydroxide (NaOH) solution to a 23.0 g sample of the fluid and collects the solid nickel II) hydroxide (Ni(OH)2) product. When no more Ni (OH) is produced, he filters, washes and weighs it, and finds that 206. mg has been produced The balanced chemical equation for the reaction is: Ni2+(aq) + 2NaOH(aq) Ni (OH)2(s) + 2Na+ (aq) ■ precipitation x 10 acid-base...
To measure the amount of nickel in some industrial waste fluid, an analytical chemist adds 0.200 M sodium hydroxide (NaOH) solution to a 20.00 g sample of the fiuid and collects the solid nickel (II) hydroxide (Ni(OH) product. When no more Ni(OH), is produced, she filters, washes and weighs it, and finds that 0.288 g has been produced. The balanced chemical equation for the reaction is: Ni (aq) +2NaOH(aq) Ni(OH),)+2Na (aq) 4 Oprecipitation acid-base What kind of reaction is this?...
incorrect answers:
0.0112M
Part 6 Calculate (OH) for the strong base solution formed by mixing 14.0 mL of 1.50 10-2 M Ba(OH), with 48.0 mL of 7.6*10-3 M NaOH Express your answer using two significant figures O AEC OD? [OH-] = Submit Previous Answers Request Answer * Incorrect; Try Again; 5 attempts remaining
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