Determine the number of grams (to 3 decimal places) of solid KNO3 to make 1.0litres of 1000 ppm of K+ (this is NOT 1000 ppm KNO3).Diluent is 2% nitric acid. Show your math.

solve and explain step by step

A solution is made by mixing 114. g of acetyl bromide (CH, COBR) and 83. g of heptane (C,H16). Calculate the mole fraction of acetyl bromide in this solution. Be sure your answer has the correct number of significant digits.

The Henry's law constant (kH) for O2 in water at 20 °C is 1.28 × 10^-3 mol Be sure each of your answer entries has the correct number of significant figures. How many grams of O, will dissolve in 5.75 L of H2O that is in contact with pure O2 at 1.40 atm? How many grams of O2 will dissolve in 5.75 L of HO that is in contact with air where the partial pressure of 02 is 0.299 atm?

Give typed full explanation not a single word hand written otherwise leave it

29. You live in Morristown, NJ at 1 atmosphere pressure and want to add pasta to a pot containing 2000 g of boiling water at 103°C. How much NaCl should be added to elevate your water's boiling point from 100°C to 103°C? The molal boiling point elevation constant for water is 0.512°C/m. Set Up Format Concept Math

A 49.3 g sample of ground water is found to have a lead concentration of 14.27 ppm. Calculate the mass of lead in the sample in milligrams. mass: mg

You must mix 168 g of carbon disulfide (CS2, 76.13 g/mol) with acetonitrile (CH3CN, 41.06 g/mol) to create a solution that has a total vapor pressure of 292 torr at 25°C. Calculate the number of grams of CH3CN required. Substance Vapor Pressure at 25°C (torr) Carbon disulfide 357 Acetonitrile 89.5

Given the following equation: 2 N2 (g) + 3 H2 (g) →2 NH3 (g) How many moles of NH3 are produced if 23 mol of H2 reacts?