obflanigan obflanigan

11-03-2016
Chemistry

contestada

What is the mass of 2.50 ×1022 molecules of NaOH

Respuesta :

Willchemistry Willchemistry

15-03-2016

Molar Mass NaOH = 40.0 g/mol

40 g ----------6.02x10²³ molecules
?? g ---------- 2.50x 10²² molecules

Mass = 2.50x10²² * 40 / 6.02x10²³

Mass = 1x10²⁴ / 6.02x10²³

Mass = 1.6611 g

hope this helps!

Answer Link

Otras preguntas

As transparency increases, opacity _________. a. increases b. decreases c. remains the same

A piece of music in the key of B flat major is based on the ___scale a. B flat minor b. B major c. B d. B falt major

What is the nth term of the arithmetic sequence? 7, 5, 3, 1, … a. –2n b. 7 – 2n c. 9 – 2n d. n – 2

Once you resize a photograph, it cannot be returned to its original size. TRUE or FALSE

In English North American colonies, the application of slave codes was based on race and

from where did the Raiders who ended the Middle Kingdom

Because it is part of the US but is still a self-governing autonomous state, Puerto Rico is a good example of a __________. a. region b. colony c. territory

Penyelesaian dari sistem persamaan linier dua variabel 5x-y=-8 dan ×+3y=8 adalah

Consider the balanced chemical equation for the combustion of methane (CH4). mc026-1.jpg Given that the molar mass of CO2 is 44.01 g/mol, how many liters of oxy

Food that makes people sick will often a. Look bumpy with odd color b. Taste the same as normal c. Taste sharp or bitter d. Smell slightly woody