stefanyz537 stefanyz537

02-10-2022
Chemistry

Answered

What is the concentration of
sodium ions in 0.250 M Na₂HPO4?

Answer :

Other Questions

The arterial oxygen content, or concentration, in blood is usually expressed in mlO2/100ml of blood. The volume of oxygen is estimated under STPD, that is, stan

Insulin is a protein that is used by the body to regulate both carbohydrate and fat metabolism. A bottle contains 375 mL of insulin at a concentration of 50.0 m

If 144.63 mL of 53.01 mM MgCl₂ is mixed together with 115.21 mL of 206.34 mM AgNO3, determine the concentration of AgNO3 that remains after the reaction is comp

five indigestion tablets containing calcium carbonate with a total mass of 2.50g were added to 50.0cm^3 of 1.00mol dm^-3 hydrochloric acid. CaCO3+2HCl--> CaC

A sample of a solid organic compound is completely combusted in a calorimeter. The heat generated by combustion is transferred to the water, causing the tempera

If 30.5 g of LiBr are dissolved 350.0 g of water at 20.0 °C in an insulated container, a temperature change is observed. The AH of solution of LiBr is -48.8 kJ/

If 6.56 g of CuNO3 is dissolved in water to make a 0.390 M solution, what is the volume of the solution in milliliters?

What is the energy of a photon that has a wavelength corresponding to the peak in the figure which is 950 nm. Planck’s constant is h=6.626 x 10^-34 Jxs, and the

29. If a walnut is burned in a calorimeter containing 40g of water, and the water temperature changes from 50°C to 60°C, how many joules of energy (q=heat) were

The mass of an object is 500.25g and its volume is 10.05cm³. What is its density?