Acompound has a molar mass of 90 grams per mole and the empirical formula ch2o. what is the molecular formula of this compound?

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

What’s the theoretical yield of solid lead

How many oxygen atoms are there in 3.15 moles of hcl manganese (iv) oxide, mno2