Convert 310 g of Na into atoms of Na

What were the success and failures that came to boyle’s excitements?

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

Nitrogen (n), phosphorus (p), and potassium (k) are the main nutrients in plant fertilizers. according to an industry convention, the numbers on the label refer to the mass percents of n, p2o5, and k2o, in that order. calculate the n: p: k ratio of a 30: 10: 10 fertilizer in terms of moles of each element, and express it as x: y: 1.0.