Nenettecar434 Nenettecar434

07-11-2017
Chemistry

contestada

Gold has a molar mass of 197 g/mol. (a) how many moles of gold are in a 3.98 g sample of pure gold? (b) how many atoms are in the sample?

Respuesta :

ashdog08 ashdog08

09-11-2017

A.)49.4974874 moles or 49.5 moles
B.)2.980808730172671e+25 or 3e+25

Answer Link

Otras preguntas

Predict what happens when a disease a disorder or smoking affects the respiratory system.

What caused the african buffalo population to increase from 1960 to 1975?

3. Answer the following questions about inequalities. (a) Why can't we multiply or divide both sides of an inequality by a variable to solve it? (b) Write the i

Using at least 5 push buttons to represent the keys of a piano, and a single passive buzzer you are to design a system that mimics a piano. When I press each ke

Which of the following organelles sorts, cuts, splices, and packages newly formed proteins into membrane-bound vesicles?Multiple Choicea. Mitochondrionb. Smooth

Which of the following is a simple sketch of the key information that should appear on each page of a site? A) Wireframe B) Storyboard C) Prototype D) Mockup

What is one reason why managers should be paid more than operatives? A. Operatives don’t work as hard as managers. B. Managers have more job security than opera

What type of service is a service that is not attached to any tangible good? 1) Intangible service 2) Physical service 3) Digital service 4) Virtual service

I bought 4 cans of peaches for $3.00. What is the unit rate of the peaches?

A nurse is caring for a client who has a new prescription for total parenteral nutrition (TPN). The client is to receive 2,000 kcal per day. The TPN solution ha