calculate the weight in grams 2. Calculate the weight in grams of: (4) a. 0.800 mole...
Consider the reaction: 2 Al(OH)3 + 3 H2SO4 à Al2(SO4)3 + 6H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts? Show Work on Scratch Paper! O 530.g of Al2(SO4)3 O 1590 g of Al2(SO4)3 177 g of Al2(SO4)3 43.6 g of Al2(SO4)3 131 g of Al2(SO4)3
a) How many moles of Al2(SO4)3 are required to make 55 mL of a 0.050 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 55 mL of...
a) How many moles of Al2(SO4)3 are required to make 44 mL of a 0.090 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 44 mL of...
2 Al(OH)3 + 3 H2SO4 + 6H30+ Al2(SO4)3 How many grams of Al(OH)3 are required to completely convert 15.943 g of H2SO4 into Al2(SO4)3?
a) How many moles of Al2(SO4)3 are required to make 43 mL of a 0.060 M Al2(So4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(S04)3, to the nearest gram? grams c) What mass of Al2(SO4)3 is required to make 43 mL of...
Both in percentage and mole ratio 2. Calculate the mass of carbon in grams in 5.00 grams of aspirin (C9H304) based on two methods discussed in class (mole ratio and mass percentage). (Hint: Chapter 8 worksheet Q#3) (6pts)
QUESTION 3 If the molecular weight of a semiconductor is 38 grams/mole and the diamond lattice constant is 0.542 nm, what is the density of the semiconductor in grams/cc? Two significant digits, fixed point notation.
Calculate the molarity of the following solutions. A.) 0.800 mole glucose in 0.450 L of a glucose solution Express your answer with the appropriate units. B.) 83.5 g of HCl in 2.00 L of a HCl solution Express your answer with the appropriate units. C.) 36.5 g of NaOH in 350. mL of a NaOH solution Express your answer with the appropriate units.
a) How many mol of Al2(SO4)3 are required to make 40 mL of a 0.050 M Al2(SO4)3 solution? (Hint, molarity is moles per liter. You know the molarity. You are given the number of mL's, which can be converted to liters. Just set it up so the units cancel and you get "moles".) moles Al2(SO4)3 b) What is the molecular weight of Al2(SO4)3, to the nearest gram? c) What mass of Al2(SO4)3 is required to make 40 mL of a 0.050 M...
150. grams AX 1 mole A molar mass A X 3 mole B 2 mole A x molar mass B- mole B 1. Find the mass of water (H2O) needed to react with 150 grams of potassium (K). 2 K(s) + 2 H2O (5) ► 2 KOH(aq) + H2(g) 2. Find the mass of fluorine (F) needed to react with 150. grams of aluminum (AI). 2 Al(s) + 3 F2 (g) → 2 AIF, (s) 3. Find the mass of...