stevensonhoped stevensonhoped

24-01-2020
Chemistry

contestada

1. How many moles are in 493.4 grams of calcium phosphide?

Respuesta :

25-01-2020

Formula = Ca3P2
RAM of; Ca = 40 x 3 = 120g, P = 30 x 2 = 60g. 120 + 60 = 180g

Mole = 493.4g / 180g = 2.74mols

Answer Link

Otras preguntas

Virtue comes from a) God b) Teaching and Habituation c) Chance d) One's parents as Heads of household

There are 52 offspring from a cross of aabb x aabb. if mendelian ratios are followed, how many offspring would you expect to have recessive phenotypes for both

What type of sentence? Add punctuation. That was a monstrous wave_ a. b. declarative interrogative c. imperative d. exclamatory

A charge Q is uniformly distributed only on three fourths portion of a ring of radius R. The electric potential at centre of ring is A. 3Q/4πε₀R B. Q/4πε₀RC. 3Q

Sans Serif Туре 16px 1.5pt BI U SAA x, x = = identify strengths and weaknesses that may present themselves in day-to-day governing. Council-Manager Most common

why has twentieth-century china seen itself as so engaged in a struggle against imperialism and colonialism

True or False: There are no benefits to UVB exposure True False

What vocal qualities was Ella Fitzgerald known for?

Calculate the mass of sodium hydroxide in 25.0cm3 of this solution

To establish the concurrent validity of a measure, of academic motivation a researcher examines the ____. a. relationship between the scores from two administra