The concentration of a salt solution in terms of mass by mass percentage is 20% and the mass of the solution is 500g determine the mass of solute present in the solution

What is emission spectrum.

What are some or the characteristics of Wisconsin fast plants and zebra fish that make them ideal for use as model organisms?

What will happen if two substances are put into contact in an isolate system?

Which would not be classified as a pure substance?

Which choice lists the correct order of the coefficients of each substance in the following neutralization reaction when the equation is balanced correctly? H2SO4 + LiOH → Li2SO4 + H2O 1, 1, 1, 1 2, 1, 2, 1 1, 2, 1, 2 1, 2, 1, 1

How many electrons, protons, neutrons are contained in each atom? A) gallium-69 B) fluorine-23 C) titanium-48 D) tantalum-181

What structure is made from synthetic oil?

Is [h3o + ] = 1.0 * 10-7 m true of acidic, basic, or neutral solutions at 25◦c?

1. Identify whether each of the elements is a metal, non-metal, or metalloid: Ruthenium: Neon: Germanium: Neptunium: Iodine: Strontium: Cesium: Europium:

How do you know which planet is farther away from the sun by years? planet w = 1.9 yrs OR planet x = 11.8 yrs