tamwisegamgee tamwisegamgee

02-11-2019
Chemistry

contestada

Consider a sample containing 0.740 mol of a substance. How many atoms are in the sample if the substance is lead?

Respuesta :

francesconedved1987 francesconedved1987

02-11-2019

Answer:4.45 x10^23 atoms to 2 decimal places

Explanation:

No of moles=no of atoms/Avogadro's

constant

Hence 0.740=no of atoms/6.02x

10^23

So no of atoms=0.740x6.02x10^23 atoms

=4.4548x 10^23 atoms

Answer Link

Otras preguntas

Two negative integers are 5 units apart on the number line, and their product is 126. What is the sum of the two integers?

Experts/ace/geniuses helppp asapp

What did the Whiskey Rebellion protest? A. a tariff placed on whiskey by the federal government B. an excise tax placed on whiskey by the federal government

Compared to the nucleus 5626Fe, what is the radius of the nucleus 112 48Cd?

Marcos plays as well as you do. -Marcos toca tanto bien como tú. -Marcos toca tan bien como tú.

Please help me, I need this ASAP! Describe the phases of mitosis and what occurs during each phase.

The addition of perchloric acid to pure water causes the conductivity to _________.

Which of the following is not a federal student loan? A. Perkins B. Stafford C. 528 plan D. Direct PLUS

Which of the following sentences uses the present perfect correctly? -Nosotros corrimos por la playa. -Nosotros hemos corrido por la playa. -Nosotros hemos

Which of the following is the main difference between speed and velocity? 1. Speed has direction and velocity. 2. Speed is measured over time. 3. Velocity has b