3 years ago

What is the mass of 2.90 ×1022 molecules of NaOH (Molar mass = 40.0 g/mol)?

1 answer:

ivann1987 [24]3 years ago

3 0

40.0 g ( 1 mole ) --------------- 6.02x10²³ molecules
? ? --------------------------- 2.90x10²² molecules

mass = 2.90x10²² * 40.0 / 6.02x10²³

mass = 1.16x10²⁴ / 6.02x10²³

mass = 1.9269 g

hope this helps!

You might be interested in

How is energy transferred and transformed

Oksana_A [137]

Answer:

Energy transfer takes place when energy moves from one place to another. … When energy in a battery is used to power an electronic device, chemical energy is transformed into electrical energy, which moves along wires. Three more ways energy can be transferred are through light, sound, and heat.

Explanation:

6 0

3 years ago

What is the molecular formula for heptachlorine hexoxide

N76 [4]

Answer:

CI706

Explanation:

4 0

2 years ago

Read 2 more answers

An atom requires 6.24 × 10−19J to remove its furthest electron in the gas phase. What is the maximum wavelength of electromagnet