Question

In: Chemistry

1) The number of moles of NaOH that are in 552. mL of a 5.3 molar...

1) The number of moles of NaOH that are in 552. mL of a 5.3 molar solution is ____________?

2) Which of the following pairs of atoms will form a polar covalent bond?

F and Na

Ar and Cl

C and S

K and Cl

3) In the reaction CH4 + 2 O2 → CO2 + 2 H2O how many grams of water are produced when 16.9 g of methane are burned?

4)The anion formed when oxygen gains two electrons is called the

oxygen ion.

oxyide ion.

oxide ion.

oxy ion.

Solutions

Expert Solution


Related Solutions

3a) How many mL of a 1.21 M NaOH solution would contain 0.275 moles of NaOH?...
3a) How many mL of a 1.21 M NaOH solution would contain 0.275 moles of NaOH? ___ mL NaOH solution 3b) How many mL of 12M HCl solution is needed to prepare 775mL of 0.880M HCl by dilution? ___ mL is needed. 3c) Calculate the molarity of a solution made by dissolving 35.2g K2CO3 in enough water to form 275mL of solution. The solution is ____ M. 3d) 10.5mL of 12M HCl solution is diluted to a volume of 122mL....
Differentiate between molar mass, equivalent mass, number of moles and number of equivalents with examples as...
Differentiate between molar mass, equivalent mass, number of moles and number of equivalents with examples as related to electrochemistry.
In 20.0 mL deionized H2O + 5.0 mL NaOH (concentration 0.1105 M) a) How many moles...
In 20.0 mL deionized H2O + 5.0 mL NaOH (concentration 0.1105 M) a) How many moles of NaOH are in Solution B after it is mixed? b)What is the concentration of NaOH in Solution B after it is mixed? c)Show a complete calculation of how you calculated the pH of Solution B after mixing. d)Calculated pH of solution B
how many moles of water are produced when 24.3 mL of .100 M NaOH is mixed...
how many moles of water are produced when 24.3 mL of .100 M NaOH is mixed with 22.4 mL of .08 M acetic acid
how would I calculate 2.5 mL of 1-bromobutane to moles? (density 1.27g/cm3, molar mass 137.02g/mol)
how would I calculate 2.5 mL of 1-bromobutane to moles? (density 1.27g/cm3, molar mass 137.02g/mol)
Determine the number of moles of the compound and determine the number of moles of each...
Determine the number of moles of the compound and determine the number of moles of each type of atom in each of the following: (a) 2.12 g of potassium bromide, KBr (b) 0.1488 g of phosphoric acid, H3PO4 (c) 23 kg of calcium carbonate, CaCO3 (d) 78.452 g of aluminum sulfate, Al2(SO4)3 (e) 0.1250 mg of caffeine, C8H10N4O2
1. A solution was prepared by mixing 6.00 mL of 1.00M NaOH with 40.00 mL of...
1. A solution was prepared by mixing 6.00 mL of 1.00M NaOH with 40.00 mL of 0.800M weak acid and diluting to a total volume of 100.0 mL. The pH value of this solution was measured to be 3.12. Calculate the equilibrium hydrogen ion concentration of this solution using the pH value. 2. For the solution from question 1, calculate the number of moles of weak acid and calculate the number of moles of hydroxide ion that were originally present....
Calculate the number of moles in 82.05 grams of Ca(NO3)2. 1 mole 2 moles 82.05 moles...
Calculate the number of moles in 82.05 grams of Ca(NO3)2. 1 mole 2 moles 82.05 moles 0.50 moles Question 3 Determine the number of grams in 0.5390 moles of calcium nitrate. 88.45 g 164.1 g 1 g 0.5390 g Question 4 A sample of pure calcium nitrate has the same number of calcium cations as nitrate anions. True False Question 5 A sample of calcium nitrate has twice as many nitrate anions as calcium cations. True False Question 6 A...
1) Suppose 500 mL of an 0.200 molar HCl acid is titrated with 70.0 mL of...
1) Suppose 500 mL of an 0.200 molar HCl acid is titrated with 70.0 mL of a 1.00 M NaOH solution. What is the final pH of the solution? The error interval is 0.1 pH units. 2) Suppose 500 mL of 0.100 M benzoic acid, which has a pKa of 4.201, solution is titrated with 75.0 mL of a 1.00 M NaOH. What is the final pH? The error interval is +/- 0.2 pH units.
1.calculate the volume of 50% NaOH required to make 300 mL of a 0.1 M NaOH...
1.calculate the volume of 50% NaOH required to make 300 mL of a 0.1 M NaOH solutions 2.Calculate the standard potassium hydrogen phthalate required to react with 25 mL of a 0.1 M NaOH solution 2. Calculate the mass of the standard potassium hydrogen phthalate required to react with 25 mL of a 0.1 M NaOH solution.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT