Mg + 2HCl MgCl2 + H2 A. If 4.9 g of Mg react with 7.8 g of HCl to produce MgCl2, which is the limiting reagent? B.

Question

Mg + 2HCl MgCl2 + H2

A. If 4.9 g of Mg react with 7.8 g of HCl to produce MgCl2, which is the limiting reagent?

B. If 4.8 g of MgCl2 is produced, what is the percent yield?

in progress 0
Thiên Hương 5 years 2021-08-07T15:09:55+00:00 1 Answers 20 views 0

Answers ( )

  1. kimcuc
    0
    2021-08-07T15:11:27+00:00
    Reply

    Explanation:

    data

    4.9g of Mg + 7.8g of Hcl — 4.8g of Mgcl

    percentage of Mgcl = gram/ molar mass of Mgcl

    Rmm of Mgcl = 24 + 81 = 105

    4.8g/105*100 = 4.57%

Leave an answer

Browse

Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )