How many moles are in 8.80 g of sodium hydroxide (NaOH)? Note the number of significant...
a) How many moles of Ni(OH)2 are soluble in 1L of sodium hydroxide (NaOH) when the pH is 12.34? pKsp of Ni(OH)2 = 15.8 b) How many moles of Cu(OH)2 are soluble in 1L of sodium hydroxide (NaOH) when the pH is 8.23? pKsp of Cu(OH)2 = 18.8 c) How many moles of BaF2 are soluble in 250ml of sodium fluoride (NaF)? Concentration of NaF = 0.12 mol/ pKsp of BaF2 = 5.8
a) Write the reaction for the neutralization oxalic acid (H2C2O4) with sodium hydroxide (NaOH). Note oxalic acid is diprotic (like sulfuric acid). b) A 0.1187 g sample of an unknown, diprotic solid acid is dissolved in water. 26.36 mL of 0.1000 M sodium hydroxide is used to reach the equivalence point. How many moles of sodium hydroxide were reacted? How many moles of acid reacted? What is the molecular weight of the acid?
Stoichiometry 1.2Na +2H,0 2NaOH + H a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b). How many moles of H, are produced in the reaction with 5.0 grams of water? 2. Sn +2HF SnF,+ H a). How many grams of SnF, are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
Calculate the number of moles os sodium hydroxide (NaOH) present in 42.0 mL of a 0.629 M NaOH solution. Please round your answer to the ten-thousandth place. Dony express your answer in scientific notation. Thank you.
Stoichiometry 1. 2Na + 2H20 → 2NaOH + H2 a). How many moles of sodium are required to produce 5.0 moles of NaOH, sodium hydroxide? b) How many moles of H2 are produced in the reaction with 5.0 grams of water? 2. Sn + 2HF → SnF2 +H; a). How many grams of SnF2 are produced from the reaction of 30.0 g of HF? b) How many moles of HF will be needed to react with 10 moles of Sn?
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...
Aqueous hydrochloric acid (HCI) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaC) and liquid water (H20). If 25.3 g of sodium chloride is produced from the reaction of 25.5 g of hydrochloric acid and 47.3 g of sodium hydroxide, calculate the percent yield of sodium chloride. Round your answer to 3 significant figures.
Aqueous hydrobromic acid (HB) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (H2O). If 10.9 g of sodium bromide is produced from the reaction of 63.1 g of hydrobromic acid and 13.7 g of sodium hydroxide, calculate the percent yield of sodium bromide. Round your answer to 3 significant figures. x 5 ?
aqueous sulfuric acid (H2SO4) reacts with solid sodium hydroxide(NaOH) to produce aqueous sodium sulfate (Na2SO4) and liquid water. if 0.146 g of water is produced from the reaction of 3.9 g is sulfuric acid and 1.2 g of sodium hydroxide, calculate the percent yield of water. round your answer to 2 significant figures
Aqueous hydrobromic acid (HBr) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium bromide (NaBr) and liquid water (HO). What the theoretical yield of water formed from the reaction of 1.6 g of hydrobromic acid and 0.62 g of sodium hydroxide? Round your answer to 2 significant figures.