cjenn318 cjenn318

03-09-2016
Chemistry

contestada

Sylvanite is a mineral that contains 28.0% gold by mass. How much sylvanite would you need to dig up to obtain 63.0 grams of gold?

Respuesta :

Willchemistry Willchemistry

03-09-2016

w/w% = mass / total

28.0 / 100 => 0.280

w = 63.0 / 0.280

w = 225 g of Sylvanite

Answer Link

Otras preguntas

How are protozoa similar to animals? A. They can get food and move B. They can make their food in sunlight C. They are made of many cells D. They have cells tha

Pls answer this for 19 pts.

write in simplest form 3m⋅4⋅n⋅n

15 Points! 8th grade math! Let f be the function given by f(x) = 3x + |4 − x| . Find and simplify: f(5) + [f(−1)]^2

Quick anyone know the answer to this problem?

The _plan favored states with large populations

which action occurs at diverrgent plate boundaries? a - metamorphic rock formation b - seafloor spreading c - mountain building d - rock strata formation

In a class, every student knows French or German (or both). 15 students know French, and 17 students know German. 1. What is the smallest possible number of s

What are the solutions of 4x^2-x+9=0 ?

federalists supported ratification of the constitution because they wanted a A: System of local courts B: Weak president C: Strong federal government D: L