Pb2+ + 2NaCl ----. PbCl2 + 2Na+
mole of PbCl2 = mass / molar mass
= 13.1 / 278
= 0.047 mol
mole ratio of NaCl to PbCl2 is 2 : 1
mole of NaCl = 0.5 * 0.047 = 0.094 mol
lestion 22 of 23 > How many moles of NaCl, if mixed with excess Pb2+ ions...
How many moles of NaCl, if mixed with excess Pb2+ ions in solution, would be needed to form 11.7 g of PbCl2?
1. How many moles of NaCl (s) can be formed from 32 moles of Cl2 (g) reacting with an excess of Na (s)? Na (s) + Cl2 (g) -> NaCl (s) 2. How many moles of H2CO, can be formed from 2 moles of HCl reacting with an excess of Na2CO3? HCI + Na2CO3 -> NaCl + H2CO3
To prepare a solution that contains 1.20 moles of NaCl, how many grams of NaCl are needed? None 23.0 g NaCl 70.1 g NaCl 58.44 g
E: How many moles of aluminum ions are present in 0.32 moles of Al2(SO4)3? F: How many moles of sulfate ions (SO42?) are present in 1.3 moles of Al2(SO4)3? G: Calculate molar mass C6H14O6 (sorbitol) Express your answer to two decimal places and include the appropriate units. H: The sedative Demerol hydrochloride has the formula C15H22ClNO2. How many grams are in 0.025 moles of Demerol hydrochloride? I: How many moles of H2 are needed to react with 0.55 mol of...
If
7.19 moles of C6H12 reacts with excess O2, how many moles of CO2
will be produced in the following combustion reaction? C5H12+8O2
-> 6H2O+5CO2
If 7.19 moles of C6H12 reacts with excess Oz how many moles of CO2 will be produced in the following combustion reaction? C5H12+802- > 6H2O + 5CO2 Number mol CO
please solve and show work and give the moles needed for NaCl and
grams needed for NaCl
the
volume of the flask is 250ml
Experiment 11 Solutions and Molarity DATA &CALCULATIONS 1) Determine the mass of NaCI(s) needed to make a 1.38M solution in your flask setup: mol NaCl needed lasts = mol NaCI needed 1.38M x yolum 1000 g NaCl needed mol NaCI needed X MMNG NaCI needed 2) Calculate the volume of 4.00M solution you need to pipette...
QUESTION 9 Consider the following reaction Ca(s)2HCI(aq) ->CaCl2(aq) H2(g) How many moles of HCI are needed to form 3 moles of CaCl2? 0 1 mole 1.5 moles 3 moles 6 moles 8 moles
Given the data below, how many grams of NaCl would you expect to be formed in the reaction of excess HCl with the Na,CO3? The molar mass of sodium carbonate is 105.989 g/mol and the molar mass of sodium chloride is 58.443 g/mol. 83.000 mass of empty beaker (g) mass of beaker plus Na2CO3 (9) mass of Na2CO3 (9) 85.250 2.250 Select one: O a. 2.481 g O b. 3.308 g O c.4.962 g O d. 1.241 g You added...
Consider the following reaction. How many moles of oxygen are required to produce 8.00 moles of water? Assume that there is excess C,H,SH present. CH,SH() + 6 O2(g) + 3 CO2(g) + O2(g) + 4H2O(g) 8.00 moles 02 12.0 moles 02 2.00 moles Oz 5.33 moles 02 32.0 moles 02 Submit Request Provide Feedback Sodium and chlorine react to form sodium chloride: 2 Na(s) + Cl2(g) → 2 NaCl(s) Part A What is the theoretical yield of sodium chloride for...
86.796 Resources Check Answer Question 21 of 45 > Using the balanced chemical equation, determine how many moles of NaCl will be produced, if 0.238 mol of BaCl, is allowed to react with an excess of Na, so moles of NaCI: mol Using the moles of NaCl found in the previous question, determine how many grams of NaCl can be produced. mass of NaCI: Using the moles of NaCl found in a previous question, determine how many formula units of...