Multiple Choice
How many helium atoms are present in 3.0 × 10 −2 moles of the gas?
A) 5.6 × 1021
B) 1.8 × 1022
C) 4.5 × 1021
D) 1.2 × 10 − 26
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q35: Sodium nitrate is a strong electrolyte.
Q36: How many aluminum atoms are present in
Q37: Potassium permanganate is a soluble salt.
Q38: How many atoms are contained in 5.99
Q39: In the reaction between Ba(NO<sub>3</sub>)<sub>2</sub> and Na<sub>2</sub>SO<sub>4</sub>,
Q40: Which of the following equations best illustrate
Q41: A 6.55 × 10<sup> − 3</sup> M
Q43: Spectator ions do not participate in a
Q44: A 118.63 g of SrCl<sub>2</sub> ∙ 6H<sub>2</sub>O
Q45: In the aqueous phase reaction between KCl