What is the mass percent concentration of a saline solution prepared by dissolving 1.00 mol of Na2SO4 in 1.00 L of water?

Pure water is neutral. What is the appropriate justification for this? Water has equal H + and OH - ions, making its pH 7, which is considered a neutral pH. Water has more H + than OH - ions, making its pH 5, which is considered a neutral pH.

Ammonium carbamate (NH2COONH4) is a salt of carbamic acid that is found in the blood and urine of mammals. At 250.°C, Kc = 1.58 * 10-8 for the following equilibrium: NH2COONH4 (s) ⇌ 2 NH3 (g) + CO2 (g) If 11.51 g of NH2COONH4 is put into a 0.

What mass in grams of Ag is produced from reaction of 31.75 g of Cu

How many pi bonds does CS2 have?

Describe the pattern that thermal energy follows as it moves

During a lab, you heat 1.04 g of a niso4 hydrate over a bunsen burner. after heating, the final mass of the dehydrated compound is 0.61 g. determine the formula of the hydrate and also give the full name of the hydrate.

Which molecule is a source of energy, a store of energy, and can mix with water?

How many atoms will you find in 2.0 moles of he?

An atom of nitrogen has seven electrons. Which diagram correctly respresents the arrangement of these electrons?

A farmer has concerns about the nitrogen levels in her soils. What can she do to ensure that the nitrogen bacteria are replenished in the soil? Question 6 options: Clear cut the area surrounding the field.