mahatosalu7 mahatosalu7

19-10-2020
Chemistry

contestada

calculate the number of molecules in 52 gram of helium

Respuesta :

jacksonrush jacksonrush

19-10-2020

Answer:

The molar mass that is the mass of 6.022 X 1023 atoms of helium is 4g. Hence 1 mole of He = 4 g of He = 6.022 X 1023atoms of He.

1 g of He = (6.022 X 1023) / 4 atoms of He.

52 g of He = (6.022 X 1023X 52 ) / 4 atoms of He.

Explanation:

Answer Link

Otras preguntas

Please Help Me, It Will Mean A lot.

77. 1 kilograms. What's The mass in grams

Of the three types of line we discussed _______ is the most obvious. A. Implied B. Dotted C. Physics D. Actual. PLEASE HELP

Rewrite the following sentence using an indirect object: David sent a complaint about the slow service to the restaurant owner.

a shopkeeper sold a pen at loss of 20%. if he had sold it for rs 10 more, he would have gain 5%.find the cost price of pen

solve for x. 3x/4 - X/12 =7/8 simplify your answer in fraction form

SO wht is the answer

Choose exactly two appropriate reasons below to go in the place of ______and_________. a) Genetics may affect the way coffee affects an individual, make it mor

A store offers a 4% discount if a consumer pays cash rather than paying by credit card. If the cash price of an item is $84.00, what is the credit-card purchas

Which of the following does NOT directly promote space-time compression? (A) vernacular regions (B) globalization (C) faster transportation (D) extensive co