The percent composition by mass of nitrogen in NH OH (gram-formula mass = 35 grams/mole) is equal to

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

According to the vsepr theory what is the shape of a molecule that has a central atom valence three other items with no lone pairs of electrons

Citric acid has a ph between 1 and 3.  it is considered to be aa. weak acidb. weak basec. strong based. strong acid