shejwalswapnill

A chemist measures the amount of fluorine gas produced during an experiment. He finds that 556. g of fluorine gas is produced. Calculate the number of moles of fluorine gas produced.

Round your answer to 3  significant digits.

The following chemical reaction takes place in aqueous solution:

2AgF(aq)+Na2S(aq)→Ag2S(s)+2NaF(aq)

Write the net ionic equation for this reaction.

A chemist determines by measurements that 0.045 moles of iodine solid participate in a chemical reaction. Calculate the mass of iodine solid that participates.

Round your answer to 2 significant digits.

A chemist determines by measurements that 0.040 moles of hydrogen gas participate in a chemical reaction. Calculate the mass of hydrogen gas that participates.

Round your answer to 2 significant digits

What is the molar solubility of Mg(OH)₂, K_sp is 5.6 x 10^-12 for Mg(OH)₂, in the following aqueous solutions?

A. Calculate the molar solubility in 0.24 M NaOH:

B. Calculate the solubility in 0.24 M MgSO₄?

Q3. What is the molar solubility of Mg(OH)2 in 0.20 M NaOH at 25°C? (For Mg(OH)2, Ksp = 7.1 x 10-12 at 25°C)