For the following reaction, 3.29 grams of potassium hydroxide are mixed with excess carbon dioxide. The reaction yields 3.69 grams of potassium carbonate. What is the theoretical yield...

For the following reaction, 3.29 grams of potassium hydroxide are mixed with excess carbon dioxide. The reaction yields 3.69 grams of potassium carbonate. What is the theoretical yield...

i really just don't understand how to do these problems :/

Chemistry lab i need help with and need the answer a)14.18 g b)22.99 g c)24.31 g d) 28.37 g and help would be greatly appriciated thank uou so so much ...

A weak acid (HA) has a pKa of 4.191. If a solution of this acid has a pH of 4.639, what percentage of the acid is not ionized? (Assume all H in solution came from the ionization of HA.)

The Ka of a monoprotic weak acid is 7.25 × 10-3. What is the percent ionization of a 0.137 M solution of this acid?

I have absolutely no idea how to do this and do not even know what to search even if I did need help. The question is; If the base solution is 0.250 M and there is one equivalent of OH-...

I have no idea how to do the following problem... "If you wish to prepare 2.00 g of BaSO4 (233.43 g/mol) from 1.5 M Na2SO4 (142.04 g/mol) and 1.0 M BaCl2 (208.23 g/mol) how many...

1.Converting 1.22g of O2 to moles? 2.Converting 1.05g of H2 to moles?

A 9.936 mol sample of methane gas is maintained in a 0.7668 L container at 295.9 K. What is the pressure in atm calculated using the van der Waals' equation for CH4 gas under these conditions? For...

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I'm having some problems with my Chemistry class and could use some help

I really hate solving this problem and dont know how, can soemone please help me?

thanks

what is the mass of phosporus in a 27-kg person? atomic number of phosporus: 15

Chemistry

how many milliliters of 2.0 M NaOH solution are needed to neutralize 8.0 mL of 3.5 M H2SO4 solution?

chemistry problem for solutions

I AM SO CONFUSED WITH THIS ONE CHOICES ARE 3,4,5,6,7 Phosphorus oxychloride has the chemical formula POCl3, with P as the central atom. In order to minimize formal charge, how many...

Showing how to work this problem out would be helpful! Please & thanks!

1. Write the chemical equation for the equilibrium that is established 2. Write the Ka expression for lactic acid 3. Explain how this solution acts as a buffer if a couple drops of 0.10...

KCl (aq) + Pb(NO3)2 (aq) → KNO3 (aq) +PbI2 (s) Calculate the percent yield of lead (II) iodide if 0.0177kg is formed.

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