Substance A has atomic mass number 16 and half-life of 1 day. Another substance B has atomic mass number 32 an…

Question

Substance **A** has atomic mass number **$$16$$** and half-life of **$$1 \, 	ext{day}$$**. Another substance **B** has atomic mass number **$$32$$** and half-life of **$$\frac{1}{2} \, 	ext{day}$$**. If both **A** and **B** simultaneously start undergoing radioactivity at the same time with initial mass **$$320 \, 	ext{g}$$** each, how many total atoms of **A** and **B** combined would be left after **$$2 \, 	ext{days}$$**?

Accepted Answer

A. $$3.38 	imes 10^{24}$$

Answer

B. $$6.76 	imes 10^{24}$$

Answer

C. $$6.76 	imes 10^{23}$$

Answer

D. $$1.69 	imes 10^{24}$$

Answer & step-by-step solution

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