6.02 x 10 23
3.01 x 1022
6.02 x 1022
5. 08 x 1022
3.01 x 1022
Correct answer is C
27g Aluminium = \(6.02 \times 10^{23}\)
1g Al = \(\frac{6.02 \times 10^{23}}{27}\)
2.7g Al = \(\frac{6.02 \times 10^{23}}{27} \times 2.7\)
= \(6.02 \times 10^{22} Al \) atoms
Which of the following oxides can be reduced by hydrogen? ...
What process is illustrated below? S(s) ⇌H2O⇌ S (aq) ...
Deliquescent substance are used for ...
The general formula of an alkyl halide (where X represents the halide) is? ...
Acidic industrial waste can be treated with ...
What is the relative molecular mass of the compound below? [H = 1.0; C = 12.0; O = 16.0] ...
The molecule which has the highest percentage of ionic character among the following is ...
What is the molar mass of a substance, if 0.4 mole of the substance has a mass of 25.0g? ...