What volume of hydrogen gas (in mL) at 707 mm Hg and 42 °C can be produced when 2.1 g of CaCO3(s) are put into an Erlenmeyer flask containing 225 mL of 0.261 M HCl(aq) ? 1 CaCO3(s) + 2 HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l)

Sodium chloride solution reacts with aqueous silver nitrate to form solid, white silver chloride and aqueous sodium nitrate according to the equation below: NaCl(aq) + AgNO3(aq) --> AgCl(s) + NaNO3(aq)  What mass of Silver chloride can be obtained mixing 0.25 M NaCl with 0.35 M AgNO3 at a volume of 0.50 L?

Sulfite-containing salts react with acids to form sulfur dioxide gas. For example, CaSO3 react with acetic acid, HC₂H3O2, according to the following equation: CaSO3 (s) + 2 HC₂H3O2 (aq) CaC₂H3O2 (aq) + SO2 (g) + H₂O (1) What volume of 0.222 M HC₂H3O2 is required to completely react with 4.471 g of calcium sulfite? Report your answer in milliliters to 3 sig figs, but do not include units in your answer.

What volume (L) of 0.550 M hydrochloric acid solution can be prepared from the HCl produced by the reaction of 15.0 g of NaCl with excess sulfuric acid, assuming a reaction yield of 91.2%? NaCl(s) + H,SO,1) → HCl(g) + NaHSO,(s)

Zn (s) + 2HBr (aq) --> H2 (g) + ZnBr2 (aq)   What is the molarity of an HBr solution if the reaction of 28.7 mL of the HBr solution with excess zinc produces 0.620L of H2 gas at 725 mmHg and 24 C

Do not use chatgpt.

Complete and balance the following neutralization reactions. HNO3(aq)+Ca(OH)2(aq)→HNO3(aq)+Ca(OH)2(aq)→ Express your answer as a chemical equation. Identify all of the phases in your answer.

please help!! Sodium benzoate, NaC6H5COO, has a molar mass of 144.11 g/mol and is used in acidic foods and cough syrups as a preservative. What is the concentration of the solution created by adding 36.03 g of sodium benzoate into water, creating 4.00 L of solution?

What volume of acid with a concentration of 0.0010 M is needed to neutralize 0.695 g of CaCO3 in the following reaction:  CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l)

Write the formula for a micelle of a sol of barium sulfate, obtained by the exchange reaction between barium nitrate and potassium sulfate in the case of an excess of barium nitrate.